/* ============================================
   InterviewGlitch - Common Styles
   Modern, responsive, production-ready CSS
   ============================================ */

/* CSS Variables */
:root {
    /* Core Brand Colors - InterviewGlitch */
    --primary-color: #00FFFF;           /* Neon cyan - main brand */
    --primary-hover: #22d3ee;           /* Lighter cyan for hover */
    --secondary-color: #ffcc57;         /* Golden yellow - secondary accent */
    --accent-color: #ffcc57;            /* Golden yellow - emphasis */

    /* Backgrounds */
    --background-primary: #0f172a;      /* Deep navy - main background */
    --background-secondary: #1a244d;    /* Deep navy - cards/sections */
    --background-tertiary: #253063;     /* Lighter navy */

    /* Text Colors */
    --text-primary: #f9fafb;            /* Bright white - main text */
    --text-secondary: #e5e7eb;          /* Light gray - secondary text */
    --text-muted: #9ca3af;              /* Gray - muted text */
    --text-accent: #ffcc57;             /* Golden yellow - highlighted text */

    /* Glass/Card */
    --border-color: rgba(255, 255, 255, 0.35);  /* Glass border */
    --card-background: #1a244d;         /* Deep navy card background */
    --card-glass: rgba(26, 36, 77, 0.7);  /* Glass effect */

    --success-color: #10b981;
    --warning-color: #facc15;
    --error-color: #f97373;
    --info-color: #38bdf8;

    /* Time-up Modal Variables */
    --timeup-backdrop: rgba(2, 6, 23, 0.65);
    --timeup-bg: radial-gradient(circle at 0 0, rgba(239, 68, 68, 0.18), rgba(15, 23, 42, 0.96));
    --timeup-border: rgba(239, 68, 68, 0.55);
    --timeup-shadow: 0 24px 60px rgba(15, 23, 42, 0.9);
    --timeup-title: #f9fafb;
    --timeup-subtitle: #e5e7eb;
    --timeup-detail: #9ca3af;
    --timeup-badge-text: #0f172a;
    --timeup-icon-danger: #f97373;
    --timeup-badge-bg: rgba(250, 204, 21, 0.16);
    --timeup-badge-border: rgba(250, 204, 21, 0.7);
    --timeup-credits-pill-bg: rgba(15, 23, 42, 0.9);
    --timeup-credits-pill-text: #facc15;
    --timeup-primary-bg: linear-gradient(135deg, #00ffff, #38bdf8);
    --timeup-primary-bg-hover: linear-gradient(135deg, #22d3ee, #0ea5e9);
    --timeup-primary-text: #020617;
    --timeup-secondary-bg: rgba(15, 23, 42, 0.95);
    --timeup-secondary-border: rgba(148, 163, 184, 0.6);
    --timeup-secondary-text: #e5e7eb;
    --timeup-secondary-text-hover: #00ffff;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* 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: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Courier New", monospace;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--background-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-wide {
    max-width: 1400px;
}

.container-narrow {
    max-width: 800px;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(26, 36, 77, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.nav-brand .logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.nav-brand .brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex: 1;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #38bdf8);
    color: #020617;  /* Dark navy text on cyan background */
    font-weight: 700;
    text-shadow: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), #0ea5e9);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(8, 47, 73, 0.8);
    color: #020617;
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.95);
    color: var(--text-primary);
    border: 1px solid rgba(148, 163, 184, 0.6);
}

.btn-secondary:hover {
    background: var(--background-tertiary);
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-ghost:hover {
    background: var(--background-secondary);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

.btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
}

.status-badge.active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-color);
}

.status-badge.trial {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info-color);
}

.status-badge.canceled {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error-color);
}

.status-badge.pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning-color);
}

.status-badge.cancelling {
    background: rgba(251, 146, 60, 0.15);
    color: #fb923c;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 255, 0.15);
    color: var(--primary-color);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Cards */
.card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-base);
    color: var(--text-primary);
}

.card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.2);
    transform: translateY(-5px);
}

/* Loading Spinner */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 3rem;
    color: var(--text-secondary);
}

.loading-spinner i {
    color: var(--primary-color);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 255, 255, 0.1);
}

.form-group input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Notice Boxes */
.notice-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-top: 1rem;
}

.notice-box i {
    font-size: 1.25rem;
}

.notice-box.info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--info-color);
}

.notice-box.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success-color);
}

.notice-box.warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning-color);
}

.notice-box.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--error-color);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 400px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    border-color: var(--success-color);
}

.toast.error {
    border-color: var(--error-color);
}

.toast.warning {
    border-color: var(--warning-color);
}

.toast.info {
    border-color: var(--info-color);
}

/* Footer */
.footer {
    background: var(--background-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

.footer-brand-name {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--background-tertiary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-social {
    margin-bottom: 1.5rem;
}

.footer-social h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--background-tertiary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-base);
    font-size: 1.25rem;
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 255, 255, 0.3);
}

.footer-built-with {
    margin-top: 0.5rem;
}

.footer-built-with i {
    color: var(--error-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-description {
        font-size: 1rem;
    }

    .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }

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

    .toast-container {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-lg); }
.mt-3 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-lg); }
.mb-3 { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }
.visible { display: block !important; }

.gradient-text {
    color: var(--secondary-color);  /* Golden yellow for "Win the Job." */
    font-weight: 900;
}