/* File Path: static/css/main.css */
/* ==========================================
   RIYAASAT OMS - NAVY CORPORATE THEME
   Professional, enterprise-grade design
   with smooth edges and balanced spacing.
========================================== */

/* ==========================================
   1. CSS VARIABLES - NAVY CORPORATE PALETTE
========================================== */
:root {
    /* Navy Corporate Colors */
    --color-navy-dark: #152a42;
    --color-navy: #1e3a5f;
    --color-navy-light: #2c5282;
    --color-navy-muted: #3d5a80;
    
    /* Gold Accents */
    --color-gold: #c9a961;
    --color-gold-light: #e0c989;
    --color-gold-dark: #a88947;
    
    /* Neutrals */
    --color-bg: #f8f9fb;
    --color-bg-alt: #ffffff;
    --color-white: #ffffff;
    --color-black: #0f172a;
    
    /* Text Hierarchy */
    --color-text: #1a202c;
    --color-text-secondary: #4a5568;
    --color-text-muted: #718096;
    --color-text-light: #a0aec0;
    
    /* Borders & Dividers */
    --color-border: #e2e8f0;
    --color-border-light: #edf2f7;
    
    /* Semantic Colors (refined) */
    --color-danger: #c53030;
    --color-danger-light: #fed7d7;
    --color-success: #2f855a;
    --color-success-light: #c6f6d5;
    --color-warning: #d69e2e;
    --color-warning-light: #fefcbf;
    --color-info: #2b6cb0;
    --color-info-light: #bee3f8;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-brush: 'Dancing Script', cursive;
    --font-typewriter: 'Special Elite', cursive;
    
    /* Border Radius - Smooth Edges */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows - Layered & Subtle */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -1px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    
    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-base: all 0.2s ease;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   2. GLOBAL RESET & BASE STYLES
========================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    letter-spacing: -0.01em;
}

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

button {
    font-family: inherit;
}

/* ==========================================
   3. NAVIGATION BAR - NAVY CORPORATE
   Refined gradient with gold accents.
========================================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
    height: 52px;
    
    background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 100%);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05) inset, 0 2px 8px rgba(15, 23, 42, 0.15);
    
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(201, 169, 97, 0.15);
}

.nav-left {
    display: flex;
    align-items: center;
}

.nav-brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo {
    height: 30px;
    width: 30px;
    filter: brightness(0) invert(1);
    opacity: 0.95;
}

.nav-brand {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gold);
    letter-spacing: 2.5px;
    text-transform: uppercase;
}

.nav-center {
    display: flex;
    gap: 1.75rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.75);
    font-weight: 500;
    font-size: 0.8rem;
    padding: 0.4rem 0;
    position: relative;
    letter-spacing: 0.3px;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

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

/* ==========================================
   4. NOTIFICATION BELL & PANEL
========================================== */
.nav-notification {
    position: relative;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-base);
    padding: 6px;
    border-radius: var(--radius-md);
}

.nav-notification:hover {
    color: var(--color-gold);
    background: rgba(255, 255, 255, 0.05);
}

.nav-icon {
    width: 18px;
    height: 18px;
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--color-gold);
    color: var(--color-navy-dark);
    font-size: 0.6rem;
    font-weight: 700;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-navy);
    transition: var(--transition-base);
}

.notification-badge[data-count]:not([data-count="0"]) {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(201, 169, 97, 0.6); }
    70% { box-shadow: 0 0 0 6px rgba(201, 169, 97, 0); }
    100% { box-shadow: 0 0 0 0 rgba(201, 169, 97, 0); }
}

/* Notification Panel */
.notification-panel {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 360px;
    max-height: 480px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition-smooth);
    border: 1px solid var(--color-border);
    overflow: hidden;
    z-index: 1100;
}

.notification-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 1.125rem;
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-bg);
}

.notification-header h4 {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-navy);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.mark-all-read {
    background: none;
    border: none;
    color: var(--color-gold-dark);
    font-size: 0.72rem;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

.mark-all-read:hover {
    color: var(--color-navy);
}

.notification-list {
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.875rem 1.125rem;
    border-bottom: 1px solid var(--color-border-light);
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    color: inherit;
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-item:hover {
    background: var(--color-bg);
}

.notification-item.unread {
    background: #fefcf5;
    border-left: 3px solid var(--color-gold);
}

.notification-icon-wrap {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-icon-wrap svg {
    width: 16px;
    height: 16px;
    color: var(--color-gold-light);
}

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-message {
    font-size: 0.8rem;
    color: var(--color-text);
    line-height: 1.4;
    margin-bottom: 0.25rem;
}

.notification-time {
    font-size: 0.68rem;
    color: var(--color-text-muted);
}

.notification-empty {
    padding: 2.5rem 1rem;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.82rem;
}

/* ==========================================
   5. PROFILE DROPDOWN
========================================== */
.nav-profile {
    position: relative;
}

.profile-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: 3px 12px 3px 3px;
    cursor: pointer;
    color: var(--color-white);
    transition: var(--transition-base);
}

.profile-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(201, 169, 97, 0.4);
}

.profile-avatar {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-navy-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
}

.profile-name {
    font-size: 0.78rem;
    font-weight: 500;
}

.chevron-icon {
    width: 12px;
    height: 12px;
    transition: transform 0.3s ease;
    opacity: 0.7;
}

.profile-toggle[aria-expanded="true"] .chevron-icon {
    transform: rotate(180deg);
}

.profile-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition-smooth);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.profile-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0.75rem 1rem;
    color: var(--color-text);
    font-size: 0.82rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--color-bg);
    color: var(--color-navy);
}

.dropdown-icon {
    width: 15px;
    height: 15px;
    opacity: 0.7;
}

.dropdown-divider {
    height: 1px;
    background-color: var(--color-border-light);
    margin: 4px 0;
}

.dropdown-item.sign-out {
    color: var(--color-danger);
}

.dropdown-item.sign-out:hover {
    background: var(--color-danger-light);
}

/* ==========================================
   6. MAIN CONTENT & FOOTER
========================================== */
.main-content {
    flex: 1;
    padding: 0.875rem 1.25rem;
    max-width: 100%;
    margin: 0;
    width: 100%;
    overflow: hidden;
}

.footer {
    text-align: center;
    padding: 0.5rem;
    background: var(--color-navy-dark);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    margin-top: auto;
    border-top: 1px solid rgba(201, 169, 97, 0.15);
}

/* ==========================================
   7. AUTHENTICATION PAGES (3D Login)
   Navy Corporate with gold accents.
========================================== */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 52px - 32px);
    perspective: 1500px;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fb 0%, #eef1f6 100%);
}

.auth-card {
    display: flex;
    width: 100%;
    max-width: 920px;
    min-height: 520px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transform: rotateY(-4deg) rotateX(1.5deg);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.auth-card:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.01);
}

.auth-left {
    flex: 1;
    background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 60%, var(--color-navy-light) 100%);
    color: var(--color-white);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.auth-left::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(201, 169, 97, 0.08) 0%, transparent 70%);
}

.auth-left::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0.5;
}

.welcome-text {
    font-family: var(--font-brush);
    font-size: 3.25rem;
    line-height: 1.15;
    margin-bottom: 2rem;
    color: var(--color-white);
    position: relative;
    z-index: 1;
}

.time-display {
    position: relative;
    z-index: 1;
}

.ist-time {
    font-family: var(--font-typewriter);
    font-size: 2.25rem;
    color: var(--color-gold-light);
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.ist-date {
    font-family: var(--font-typewriter);
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
}

.auth-right {
    flex: 1;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.auth-subtitle {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    font-size: 0.88rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.2px;
}

.form-input, .form-select {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-family: var(--font-primary);
    transition: var(--transition-base);
    background-color: var(--color-white);
    color: var(--color-text);
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--color-navy);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.btn-primary {
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 2px 4px rgba(30, 58, 95, 0.15);
    letter-spacing: 0.3px;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.25);
    background: linear-gradient(135deg, var(--color-navy-light) 0%, var(--color-navy) 100%);
}

.auth-footer-text {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.auth-footer-text a {
    color: var(--color-navy);
    font-weight: 600;
}

.auth-footer-text a:hover {
    color: var(--color-gold-dark);
}

.error-message {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(197, 48, 48, 0.2);
}

.success-message {
    background-color: var(--color-success-light);
    color: var(--color-success);
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(47, 133, 90, 0.2);
}

/* ==========================================
   8. SHARED UTILITY CLASSES
========================================== */

/* Navy Corporate Buttons */
.btn-navy {
    padding: 0.5rem 1rem;
    background: var(--color-navy);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-navy:hover {
    background: var(--color-navy-light);
    box-shadow: var(--shadow-sm);
}

.btn-gold {
    padding: 0.5rem 1rem;
    background: var(--color-gold);
    color: var(--color-navy-dark);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-gold:hover {
    background: var(--color-gold-dark);
    color: var(--color-white);
}

.btn-outline {
    padding: 0.5rem 1rem;
    background: var(--color-white);
    color: var(--color-navy);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-outline:hover {
    border-color: var(--color-navy);
    background: var(--color-bg);
}

/* Card Base */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}

.card-header {
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
    color: var(--color-white);
    border-bottom: 2px solid var(--color-gold);
}

.card-header h3 {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.card-body {
    padding: 1rem;
}

/* ==========================================
   9. RESPONSIVE ADJUSTMENTS
========================================== */
@media (max-width: 768px) {
    .navbar {
        padding: 0 1rem;
    }
    
    .nav-center {
        display: none;
    }
    
    .profile-name {
        display: none;
    }
    
    .auth-card {
        flex-direction: column;
        transform: none;
    }
    
    .auth-left {
        padding: 2rem;
    }
    
    .welcome-text {
        font-size: 2.25rem;
    }
    
    .notification-panel {
        width: 320px;
    }
}