/**
 * ini8 Labs Accounting Webapp - Custom Styles
 * Theme: Light & Dark mode with Navy Blue and Orange accents
 * Version: 2.0
 */

/* ============================================
   CSS VARIABLES - THEME SYSTEM
   ============================================ */

/* Light Theme (Default) */
:root,
[data-theme="light"] {
    /* Brand Colors */
    --primary-navy: #1e3a8a;
    --accent-orange: #ff6b35;

    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;

    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;

    /* Border & Dividers */
    --border-color: #e2e8f0;
    --divider-color: #cbd5e1;

    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* 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);

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.18);
}

/* Dark Theme */
[data-theme="dark"] {
    /* Brand Colors - Adjusted for dark mode */
    --primary-navy: #3b82f6;
    --accent-orange: #fb923c;

    /* Backgrounds */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;

    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Border & Dividers */
    --border-color: #334155;
    --divider-color: #475569;

    /* Status Colors - Slightly muted for dark mode */
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --info: #60a5fa;

    /* Shadows - Darker for dark mode */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);

    /* Glass Effect - Darker */
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

/* ============================================
   BASE STYLES & RESET
   ============================================ */

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

html {
    scroll-behavior: smooth;
    transition: background-color 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    padding-top: 80px; /* Account for fixed navbar */
}

/* Main content area with proper spacing */
.main-content {
    padding: 2rem 1rem;
    min-height: calc(100vh - 80px);
}

/* Page header spacing */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 0.5em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-navy);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-orange);
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.min-vh-100 {
    min-height: 100vh;
}

/* ============================================
   THEME TOGGLE BUTTON
   ============================================ */

.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    color: var(--text-primary);
}

.theme-toggle:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-xl);
    background: var(--accent-orange);
    color: white;
}

/* ============================================
   NAVBAR - GLASSMORPHISM
   ============================================ */

.navbar {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-navy) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand::before {
    content: 'i8';
    display: inline-block;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-navy), var(--accent-orange));
    color: white;
    font-weight: 900;
    font-size: 0.9rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-orange) !important;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-orange);
    border-radius: 3px 3px 0 0;
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
}

/* Dashboard Stat Cards */
.stat-card {
    padding: 1.5rem;
    border-radius: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-navy), var(--accent-orange));
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-card-primary {
    background: linear-gradient(135deg, var(--primary-navy), #2563eb);
    color: white;
}

.stat-card-warning {
    background: linear-gradient(135deg, var(--warning), #fb923c);
    color: white;
}

.stat-card-success {
    background: linear-gradient(135deg, var(--success), #34d399);
    color: white;
}

.stat-card h5 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.stat-card h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

/* Primary Button - Orange Gradient */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange), #ff8c61);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ff8c61, var(--accent-orange));
    box-shadow: 0 10px 20px rgba(255, 107, 53, 0.3);
}

/* Secondary Button - Navy Outline */
.btn-secondary {
    background: transparent;
    color: var(--primary-navy);
    border: 2px solid var(--primary-navy);
}

.btn-secondary:hover {
    background: var(--primary-navy);
    color: white;
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
}

.btn-outline-light:hover {
    background: white;
    color: var(--primary-navy);
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.875rem;
}

/* ============================================
   FORMS
   ============================================ */

.form-control,
.form-select {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-control:focus,
.form-select:focus {
    background: var(--bg-primary);
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
    outline: none;
}

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

/* ============================================
   TABLES
   ============================================ */

.table {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    color: var(--text-primary);
}

.table thead th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border: none;
    padding: 1rem;
}

.table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
    transform: scale(1.01);
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
}

/* ============================================
   BADGES
   ============================================ */

.badge {
    font-weight: 600;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-pending {
    background: var(--warning);
    color: white;
}

.badge-approved {
    background: var(--success);
    color: white;
}

.badge-paid {
    background: var(--info);
    color: white;
}

.badge-rejected {
    background: var(--danger);
    color: white;
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
    border: none;
    border-radius: 10px;
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: var(--success);
    color: var(--success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-left-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: var(--info);
    color: var(--info);
}

/* ============================================
   MODALS
   ============================================ */

.modal-content {
    background: var(--bg-secondary);
    border: none;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
}

.modal-title {
    color: var(--text-primary);
    font-weight: 700;
}

/* ============================================
   LOADING SPINNER
   ============================================ */

.spinner-border {
    border-width: 3px;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

/* ============================================
   LOGIN PAGE SPECIFIC
   ============================================ */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-navy), #2563eb, var(--accent-orange));
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.login-card {
    position: relative;
    z-index: 1;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo h1 {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-navy), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .navbar-brand {
        font-size: 1.25rem;
    }

    .stat-card h2 {
        font-size: 2rem;
    }

    .theme-toggle {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }

    .card {
        margin-bottom: 1rem;
    }

    .table {
        font-size: 0.875rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 0.75rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-card h2 {
        font-size: 1.75rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.gradient-bg {
    background: linear-gradient(135deg, var(--primary-navy), var(--accent-orange));
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-navy), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-primary-custom {
    background-color: var(--bg-primary);
}

.bg-secondary-custom {
    background-color: var(--bg-secondary);
}

.text-primary-custom {
    color: var(--text-primary);
}

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

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

*:focus {
    outline: 2px solid var(--accent-orange);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   ADDITIONAL UI COMPONENTS
   ============================================ */

/* Logo Badge */
.logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-navy), var(--accent-orange));
    color: white;
    font-weight: 900;
    font-size: 0.9rem;
    border-radius: 6px;
}

.brand-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-navy);
}

/* Primary Gradient Button */
.btn-primary-gradient {
    background: linear-gradient(135deg, var(--accent-orange), #ff8c61);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary-gradient:hover {
    background: linear-gradient(135deg, #ff8c61, var(--accent-orange));
    box-shadow: 0 10px 20px rgba(255, 107, 53, 0.3);
    transform: translateY(-2px);
    color: white;
}

/* Navy Outline Button */
.btn-navy-outline {
    background: transparent;
    color: var(--primary-navy);
    border: 2px solid var(--primary-navy);
    border-radius: 8px;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    transition: all 0.3s ease;
}

.btn-navy-outline:hover {
    background: var(--primary-navy);
    color: white;
}

/* User Dropdown Button */
.btn-user-dropdown {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-user-dropdown:hover,
.btn-user-dropdown:focus {
    background: var(--bg-tertiary);
    border-color: var(--accent-orange);
}

/* Modern Input Fields */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 12px;
    color: var(--text-secondary);
    pointer-events: none;
    z-index: 1;
}

.modern-input {
    padding-left: 40px !important;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.modern-input:focus {
    background: var(--bg-primary);
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.modern-select {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.modern-select:focus {
    background: var(--bg-primary);
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

/* Card Body Custom */
.card-body-custom {
    padding: 1.5rem;
}

/* Glass Modal */
.glass-modal {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

/* Navigation Icons */
.nav-icon {
    vertical-align: middle;
    margin-right: 0.25rem;
}

/* Welcome Section */
.welcome-section {
    margin-bottom: 2rem;
}

/* Animated Shapes for Login */
.animated-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-navy);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-orange);
    top: 50%;
    right: 10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: var(--info);
    bottom: 10%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* Login Page Styles */
.login-card {
    width: 100%;
    max-width: 450px;
    padding: 2.5rem;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.login-form {
    margin-bottom: 1.5rem;
}

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

.login-footer {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Nav Glass Styling */
.nav-glass {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(10px);
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .navbar,
    .theme-toggle,
    .btn,
    .modal {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}