/* ===========================
   CSS Variables & Design System
   =========================== */

/* Fonts loaded via <link> in index.html with font-display:swap for CWV optimization */

:root {
    /* Glassmorphism Palette */
    --primary-blue: #3B82F6;
    /* Blue-500 */
    --primary-blue-hover: #2563EB;
    /* Blue-600 */
    --secondary-blue: #60A5FA;
    /* Blue-400 */
    --accent-orange: #F97316;
    /* Orange-500 */

    --success-green: #10B981;
    /* Emerald-500 */
    --warning-amber: #F59E0B;
    /* Amber-500 */
    --danger-red: #EF4444;
    /* Red-500 */

    /* Backgrounds & Surfaces */
    --bg-main: #F8FAFC;
    /* Slate-50 */
    --bg-glass: rgba(255, 255, 255, 0.7);
    --bg-glass-heavy: rgba(255, 255, 255, 0.9);
    --border-glass: rgba(255, 255, 255, 0.5);

    /* Text */
    --text-primary: #1E293B;
    /* Slate-800 */
    --text-secondary: #475569;
    /* Slate-600 */
    --text-muted: #94A3B8;
    /* Slate-400 */

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Shadows & Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --shadow-hover: 0 12px 40px 0 rgba(31, 38, 135, 0.15);
    --backdrop-blur: blur(12px);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --font-ui: 'Fira Sans', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

/* ===========================
   Reset & Base Styles
   =========================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-ui);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-main);
    background-image:
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(249, 115, 22, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3 {
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

h1 {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-blue-hover);
}

/* Glass Utility */
.glass {
    background: var(--bg-glass);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-glass);
}

.glass-heavy {
    background: var(--bg-glass-heavy);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-sm);
}

/* ===========================
   Screen Management
   =========================== */

.screen {
    display: none;
    min-height: 100vh;
}

.screen.active {
    display: block;
    animation: fadeIn 0.4s var(--transition-base);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main-content {
    display: none;
    padding: var(--spacing-2xl) 0;
    min-height: calc(100vh - 80px);
}

.main-content.active-content {
    display: block;
    animation: slideUp 0.3s var(--transition-base);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===========================
   Navigation
   =========================== */

.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    position: sticky;
    top: var(--spacing-md);
    z-index: 100;
    margin: 0 var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-glass);
}

.nav-container {
    padding: 0 var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    border-bottom: none;
}

.nav-link:hover {
    color: var(--primary-blue);
    background: rgba(59, 130, 246, 0.1);
}

.nav-link.active {
    color: var(--primary-blue);
    background: rgba(59, 130, 246, 0.1);
    font-weight: 600;
}

/* Hamburger — hidden on desktop, shown in mobile media query */
.hamburger-btn {
    display: none;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glass);
    cursor: pointer;
    transition: var(--transition-base);
}

.user-menu:hover {
    background: white;
    box-shadow: var(--shadow-sm);
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

/* ===========================
   Form Elements
   =========================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.select-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-ui);
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(4px);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.select-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: white;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.toggle-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.5);
}

.toggle-option:hover {
    border-color: var(--primary-blue);
    background: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-ui);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    gap: var(--spacing-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-hover));
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background: white;
    border-color: var(--text-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
}

/* ===========================
   Dashboard & Cards
   =========================== */

.analysis-card,
.recent-card,
.progress-card,
.info-card,
.stat-card {
    background: var(--bg-glass);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-glass);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.analysis-card {
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.recent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.recent-card {
    padding: var(--spacing-lg);
    cursor: pointer;
}

.recent-card:hover {
    background: white;
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-blue);
}

.recent-count {
    color: var(--success-green);
    font-family: var(--font-mono);
    font-weight: 600;
}

/* ===========================
   Progress Screen
   =========================== */

.back-link {
    display: inline-flex;
    align-items: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.back-link:hover {
    color: var(--primary-blue);
}

.progress-header {
    margin-bottom: var(--spacing-xl);
}

.progress-card {
    background: var(--bg-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.progress-bar-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.progress-bar {
    flex: 1;
    height: 12px;
    background: var(--border-color);
    border-radius: 999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--info-blue));
    border-radius: 999px;
    transition: width var(--transition-slow);
}

.progress-percent {
    font-weight: 600;
    color: var(--primary-blue);
    min-width: 45px;
}

.progress-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.step {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.step.completed {
    background: #ECFDF5;
}

.step.active {
    background: #EFF6FF;
}

.step-icon {
    font-size: 1.25rem;
    width: 32px;
    text-align: center;
}

.step.completed .step-icon {
    color: var(--success-green);
}

.step.active .step-icon {
    color: var(--primary-blue);
    animation: spin 2s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.step-text {
    flex: 1;
    font-weight: 500;
}

/* ===========================
   Login Screen
   =========================== */

.login-container,
.onboarding-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-lg);
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.15) 0%, rgba(248, 250, 252, 1) 70%);
}

.login-card,
.onboarding-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.6);
    width: 100%;
    max-width: 440px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.onboarding-card {
    max-width: 600px;
    text-align: left;
}

.login-card::before,
.onboarding-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
}

.logo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.logo svg rect {
    fill: var(--primary-blue);
}

.login-card h1,
.onboarding-card h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.onboarding-card h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.subtitle,
.onboarding-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: 1rem;
    text-align: center;
}

.login-form {
    text-align: left;
}

.form-group.checkbox {
    margin-top: var(--spacing-sm);
    justify-content: space-between;
}

.forgot-link {
    font-size: 0.875rem;
    color: var(--primary-blue);
}

.btn-large {
    width: 100%;
    margin-top: var(--spacing-md);
    padding: 0.875rem;
    font-size: 1.125rem;
}

/* ===========================
   Onboarding Specifics
   =========================== */

.hidden {
    display: none !important;
}

.onboarding-step {
    animation: fadeIn 0.4s var(--transition-base);
}

.onboarding-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.onboarding-illustration {
    display: flex;
    justify-content: center;
    margin: var(--spacing-xl) 0;
}

.onboarding-form {
    margin-top: var(--spacing-lg);
}

.toggle-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.toggle-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.5);
    width: 100%;
}

.toggle-option input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-blue);
}

.toggle-option span {
    font-weight: 500;
    color: var(--text-primary);
    flex: 1;
}

.toggle-option:hover {
    border-color: var(--primary-blue);
    background: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.how-it-works {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.work-step {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.work-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.work-step h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.work-step p {
    font-size: 0.85rem;
    margin-bottom: 0;
}

.trust-note {
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.trust-note p {
    margin-bottom: 4px;
    font-size: 0.9rem;
    color: var(--primary-blue-hover);
}

.time-estimate {
    text-align: center;
    color: var(--text-secondary);
    margin-top: var(--spacing-lg);
    margin-bottom: 0;
}

.info-card {
    background: var(--bg-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.info-card h3 {
    margin-bottom: var(--spacing-md);
}

.check-list {
    list-style: disc;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.check-list li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.trust-message {
    background: rgba(254, 243, 199, 0.6);
    backdrop-filter: blur(4px);
    border-left: 4px solid var(--warning-amber);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: 0;
    font-size: 0.95rem;
}

/* ===========================
   Results Screen Polish
   =========================== */

.results-header {
    margin-bottom: var(--spacing-xl);
}

.stats-row {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.stat-card {
    min-width: 140px;
    padding: var(--spacing-lg);
    background: white;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    font-family: var(--font-mono);
    margin-bottom: 0;
    z-index: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 1;
}

.stat-card::after {
    content: '';
    position: absolute;
    right: -10px;
    bottom: -10px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    opacity: 0.1;
    z-index: 0;
}

.stat-card.success::after {
    background: var(--success-green);
}

.stat-card.danger::after {
    background: var(--danger-red);
}

.stat-card.muted::after {
    background: var(--text-muted);
}

.results-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    background: var(--bg-glass);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glass);
}

.tabs {
    display: flex;
    gap: var(--spacing-xs);
    background: rgba(0, 0, 0, 0.05);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
    border: none;
}

.tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    margin-bottom: 0;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.5);
}

.tab.active {
    color: var(--primary-blue);
    background: white;
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}

.search-box {
    flex: 1;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: 0.75rem var(--spacing-md);
    border: 1px solid var(--border-glass);
    border-radius: 999px;
    font-size: 0.95rem;
    background: white;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.bids-container {
    display: none;
}

.bids-container.active-tab {
    display: block;
    animation: fadeIn 0.4s var(--transition-base);
}

.bid-card {
    background: var(--bg-glass);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-glass);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-glass);
    border-left: 6px solid;
    transition: all var(--transition-base);
}

.bid-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    background: var(--bg-glass-heavy);
}

.bid-card.shortlisted {
    border-left-color: var(--success-green);
}

.bid-card.rejected {
    border-left-color: var(--danger-red);
}

.bid-card.expired {
    border-left-color: var(--text-muted);
    opacity: 0.8;
    filter: grayscale(100%);
}

.bid-header h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.bid-info {
    margin-bottom: var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.bid-info p {
    font-size: 0.95rem;
    margin-bottom: 0;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.4);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
}

.bid-info strong {
    color: var(--text-primary);
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
    color: var(--text-muted);
}

.bid-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tag {
    display: inline-flex;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.025em;
}

.tag.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.tag.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-amber);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.rejection-reason {
    background: rgba(239, 68, 68, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.rejection-reason p {
    font-weight: 600;
    color: var(--danger-red);
    margin-bottom: var(--spacing-sm);
}

.rejection-reason ul {
    list-style: none;
    padding-left: 0;
}

.rejection-reason li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: 0.95rem;
}

.rejection-reason li::before {
    content: "×";
    position: absolute;
    left: 0;
    color: var(--danger-red);
    font-weight: bold;
}

.bid-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    border-top: 1px solid var(--border-glass);
    padding-top: var(--spacing-lg);
}

/* ===========================
   Settings Screen
   =========================== */

.settings-section {
    margin-bottom: var(--spacing-2xl);
}

.settings-section h2 {
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.settings-card {
    background: var(--bg-glass);
    backdrop-filter: var(--backdrop-blur);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-glass);
    border: 1px solid var(--border-glass);
}

/* ===========================
   Modals
   =========================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s var(--transition-base);
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-hover);
    max-width: 550px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.modal-large {
    max-width: 850px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.5);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

.modal-close {
    background: rgba(0, 0, 0, 0.05);
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--danger-red);
    color: white;
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    background: rgba(248, 250, 252, 0.5);
}

.detail-section {
    margin-bottom: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.5);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.detail-section:last-child {
    margin-bottom: 0;
}

.detail-section h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    color: var(--primary-blue);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.criteria-list {
    list-style: none;
}

.criteria-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.criteria-list li::before {
    content: "•";
    color: var(--primary-blue);
    font-weight: bold;
}

.criteria-list li:last-child {
    border-bottom: none;
}

.criteria-met {
    color: var(--success-green);
}

.criteria-warning {
    color: var(--warning-amber);
}

.detail-section.highlight {
    background: #EFF6FF;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-blue);
}

.reason-list {
    list-style: disc;
    padding-left: var(--spacing-lg);
}

.reason-list li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* ===========================
   Toast Notifications
   =========================== */

.toast {
    position: fixed;
    top: 80px;
    right: var(--spacing-lg);
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    opacity: 0;
    transform: translateX(400px);
    transition: all var(--transition-base);
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

/* ===========================
   Responsive Design
   =========================== */

/* ── Tablet (≤ 1024px) ── */
@media (max-width: 1024px) {
    .hero-section .container {
        flex-direction: column;
    }

    .hero-image {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        width: 100%;
        height: auto;
        margin-top: var(--spacing-xl);
    }

    .glass-card-preview {
        width: 320px;
        height: 200px;
        transform: none;
    }

    .features-grid,
    .pricing-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {
    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    /* Navigation — hide links, show hamburger */
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 1rem 1.5rem 1.5rem;
        gap: 0.25rem;
        border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        box-shadow: 0 12px 32px rgba(0,0,0,0.12);
        z-index: 200;
    }

    .nav-links.mobile-open {
        display: flex;
    }

    .nav-links .nav-link,
    .nav-links .btn {
        width: 100%;
        text-align: center;
        padding: 0.75rem 1rem;
        border-radius: var(--radius-md);
        font-size: 1rem;
    }

    .nav-links .btn-primary {
        margin-top: 0.5rem;
    }

    /* Hamburger button */
    .hamburger-btn {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        width: 40px;
        height: 40px;
        background: none;
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-md);
        cursor: pointer;
        padding: 8px;
        transition: all 0.2s;
    }

    .hamburger-btn:hover {
        background: rgba(59, 130, 246, 0.08);
        border-color: var(--primary-blue);
    }

    .hamburger-btn span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all 0.3s;
    }

    .hamburger-btn.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger-btn.open span:nth-child(2) {
        opacity: 0;
    }

    .hamburger-btn.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav-container {
        padding: 0 var(--spacing-md);
        position: relative;
    }

    /* Hero */
    .hero-section {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .hero-image {
        display: none;
    }

    /* Features & Pricing */
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.popular {
        transform: none;
    }

    /* Stats & Controls */
    .stats-row {
        flex-direction: column;
        align-items: stretch;
    }

    .stat-card {
        min-width: auto;
    }

    .results-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        max-width: 100%;
    }

    .tabs {
        width: 100%;
        justify-content: space-around;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .tab {
        flex: 1;
        text-align: center;
        padding: var(--spacing-md) var(--spacing-sm);
        font-size: 0.875rem;
        white-space: nowrap;
    }

    /* Bids & Modals */
    .bid-actions {
        flex-direction: column;
    }

    .bid-actions .btn {
        width: 100%;
    }

    .modal-content {
        width: 95%;
        max-height: 95vh;
        margin: var(--spacing-sm);
    }

    .modal-footer {
        flex-direction: column;
    }

    .modal-footer .btn {
        width: 100%;
    }

    /* Grids */
    .how-it-works {
        grid-template-columns: repeat(2, 1fr);
    }

    .recent-grid {
        grid-template-columns: 1fr;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    /* Animation container */
    .progress-card .animation-container {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1rem;
    }
}

/* ── Small Mobile (≤ 480px) ── */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: 1.6rem;
    }

    .login-card,
    .onboarding-card {
        padding: var(--spacing-lg);
    }

    .analysis-card,
    .progress-card,
    .info-card,
    .settings-card {
        padding: var(--spacing-lg);
    }

    .how-it-works {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        gap: var(--spacing-lg);
    }

    .stat-value {
        font-size: 1.2rem;
    }

    .payment-container {
        padding: var(--spacing-lg);
    }
}

/* ===========================
   Cross-Browser Compatibility
   =========================== */

/* Safari & older WebKit scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.25);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.15) transparent;
}

/* Safari input appearance reset */
input,
button,
select,
textarea {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

button {
    -webkit-appearance: none;
    appearance: none;
}

/* Prevent iOS zoom on inputs */
@media screen and (max-width: 768px) {

    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    select,
    textarea {
        font-size: 16px;
    }
}

/* Focus-visible for keyboard navigation (accessibility) */
:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {

    .navbar,
    .landing-footer,
    .hero-image,
    .modal-overlay {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }
}

/* ===========================
   Animation Container
   =========================== */

.progress-card .animation-container {
    display: flex !important;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(240, 249, 255, 0.9) 100%);
    border-radius: 20px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1);
}

.progress-card .anim-icon {
    font-size: 3.5rem;
    opacity: 0.25;
    transform: scale(0.85);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    filter: grayscale(100%) brightness(0.8);
    position: relative;
    display: inline-block;
}

.progress-card .anim-icon.active {
    opacity: 1;
    transform: scale(1.3);
    filter: grayscale(0%) brightness(1.1);
    text-shadow: 0 0 30px rgba(59, 130, 246, 0.6),
        0 0 60px rgba(59, 130, 246, 0.3);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {

    0%,
    100% {
        transform: scale(1.3);
        filter: grayscale(0%) brightness(1.1);
    }

    50% {
        transform: scale(1.35);
        filter: grayscale(0%) brightness(1.2);
    }
}

.progress-card .progress-status-text {
    text-align: center;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
    font-size: 1.2rem;
    height: 1.8rem;
    letter-spacing: 0.5px;
}

/* ===========================
   Landing Page Styles
   =========================== */

.hero-section {
    padding: var(--spacing-2xl) 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section .container {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.hero-content {
    flex: 1 1 55%;
    min-width: 0;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-orange) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    border-top: 1px solid var(--border-glass);
    padding-top: var(--spacing-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.hero-image {
    flex: 1 1 45%;
    min-width: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}

.glass-card-preview {
    width: 400px;
    height: 300px;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: transform var(--transition-slow);
}

.glass-card-preview:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.preview-header {
    display: flex;
    gap: 8px;
}

.preview-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.red {
    background: #EF4444;
}

.yellow {
    background: #F59E0B;
}

.green {
    background: #10B981;
}

.preview-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.preview-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.preview-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 4px;
}

.preview-chart {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: 12px;
    padding-bottom: 10px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(to top, var(--primary-blue), transparent);
    border-radius: 4px;
    opacity: 0.7;
}

.features-section {
    padding: var(--spacing-2xl) 0;
    background: rgba(255, 255, 255, 0.3);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-xl);
    text-align: center;
    transition: transform var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.landing-footer {
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-glass);
}

/* ===========================
   Pricing Page Styles
   =========================== */

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.toggle-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.toggle-label.active {
    color: var(--text-primary);
    font-weight: 700;
}

.badge-save {
    background: #DCFCE7;
    color: #166534;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 99px;
    margin-left: 4px;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked+.slider {
    background-color: var(--primary-blue);
}

input:focus+.slider {
    box-shadow: 0 0 1px var(--primary-blue);
}

input:checked+.slider:before {
    transform: translateX(22px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}


.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    align-items: center;
    /* Center vertically so prominent card can pop */
}

.pricing-card {
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card.popular {
    transform: scale(1.05);
    border: 2px solid var(--primary-blue);
    z-index: 10;
}

.popular-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-blue);
    color: white;
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 0.875rem;
    font-weight: 600;
}

.plan-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: var(--spacing-lg);
}

.price {
    display: flex;
    justify-content: center;
    align-items: baseline;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.currency {
    font-size: 1.5rem;
    margin-right: 4px;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
}

.period {
    color: var(--text-secondary);
}

.plan-features {
    list-style: none;
    margin-bottom: var(--spacing-2xl);
}

.plan-features li {
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.check {
    color: var(--success-green);
    font-weight: bold;
}

.btn-full {
    width: 100%;
}

/* ===========================
   Payment Screen Styles
   =========================== */

.payment-container {
    width: 100%;
    max-width: 480px;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    position: relative;
}

.btn-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.payment-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.order-summary {
    background: rgba(255, 255, 255, 0.5);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.summary-divider {
    height: 1px;
    background: var(--border-glass);
    margin: var(--spacing-md) 0;
}

.summary-row.total {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.card-input-wrapper {
    position: relative;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    padding-right: var(--spacing-sm);
}

.card-input-wrapper input {
    border: none;
    background: transparent;
    padding: 14px;
}

.card-input-wrapper input:focus {
    box-shadow: none;
}

.card-expiry-cvc {
    display: flex;
    gap: 8px;
}

.secure-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--spacing-md);
}

/* ===========================
   Footer Styles (SEO Enhanced)
   =========================== */
.landing-footer .container {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
    text-align: left;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary-blue);
}