/**
 * Smart Meeting Room Booking System - Main Stylesheet
 * Professional & Modern Design
 */

/* ============================================
   VARIABLES
   ============================================ */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --dark: #1f2937;
    --light: #f3f4f6;
    --white: #ffffff;
    --border-color: #e5e7eb;
    --text-color: #374151;
    --text-light: #6b7280;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* ============================================
   RESET & BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f9fafb;
}

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

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

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    max-width: 1200px;
    width: 100%;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}

.login-box {
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .logo {
    width: 180px;
    height: 100px;
    margin: 0 auto 20px;
    background: transparent;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
    overflow: hidden;
}

.login-header .logo i {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-header .logo .company-logo {
    display: block;
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.login-header h1 {
    font-size: 24px;
    color: var(--dark);
    margin-bottom: 5px;
}

.login-header p {
    color: var(--text-light);
    font-size: 14px;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
    font-size: 14px;
}

.form-group label i {
    margin-right: 5px;
    color: var(--primary-color);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.password-input {
    position: relative;
}

.password-input .form-control {
    padding-right: 45px;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 8px;
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--primary-color);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-color);
}

.checkbox-label input {
    margin-right: 8px;
    cursor: pointer;
}

.forgot-link {
    font-size: 14px;
    color: var(--primary-color);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    transition: opacity 0.3s;
}

.alert i {
    font-size: 18px;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--secondary-color);
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border-left: 4px solid var(--info-color);
}

/* ============================================
   LOGIN FOOTER
   ============================================ */
.login-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    text-align: center;
    color: var(--text-light);
    font-size: 13px;
    margin-bottom: 15px;
}

.demo-credentials {
    background: var(--light);
    padding: 15px;
    border-radius: var(--border-radius);
}

.credential-box {
    padding: 10px;
    margin-bottom: 8px;
    background: var(--white);
    border-radius: 6px;
    font-size: 13px;
}

.credential-box:last-child {
    margin-bottom: 0;
}

.credential-box strong {
    color: var(--dark);
    display: block;
    margin-bottom: 5px;
}

.credential-box code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
    font-size: 12px;
}

/* ============================================
   LOGIN INFO SECTION
   ============================================ */
.login-info {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 50px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.info-content h2 {
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
}

.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.feature {
    text-align: center;
}

.feature i {
    font-size: 36px;
    margin-bottom: 15px;
    opacity: 0.9;
}

.feature h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.feature p {
    font-size: 14px;
    opacity: 0.8;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 968px) {
    .login-container {
        grid-template-columns: 1fr;
    }

    .login-info {
        display: none;
    }

    .login-box {
        padding: 40px 30px;
    }
}

@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }

    .login-header h1 {
        font-size: 20px;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ============================================
   DASHBOARD LAYOUT
   ============================================ */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--dark);
    color: var(--white);
    padding: 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: var(--transition);
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.sidebar-header h2 {
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-title {
    font-size: 16px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    margin: 0 !important;
    line-height: 1.4 !important;
    word-wrap: break-word !important;
    text-align: center !important;
}

.sidebar-title span {
    display: inline-block;
    max-width: 100%;
}

.sidebar-logo {
    max-width: 180px;
    max-height: 50px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    background: transparent;
    padding: 8px;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.sidebar-menu {
    list-style: none;
    padding: 10px 0;
}

.sidebar-menu li {
    margin: 5px 0;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.sidebar-menu i {
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    background: var(--light);
}

/* Topbar */
.topbar {
    background: var(--white);
    padding: 15px 30px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 999;
}

.topbar-left h1 {
    font-size: 24px;
    color: var(--dark);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-details {
    text-align: right;
}

.user-name {
    font-weight: 600;
    color: var(--dark);
    display: block;
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    color: var(--text-light);
}

/* Content Area */
.content {
    padding: 30px;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.card-header h3 {
    font-size: 18px;
    color: var(--dark);
}

.card-body {
    padding: 0;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white);
}

.stat-icon.primary {
    background: var(--primary-color);
}

.stat-icon.success {
    background: var(--secondary-color);
}

.stat-icon.warning {
    background: var(--warning-color);
}

.stat-icon.danger {
    background: var(--danger-color);
}

.stat-details h4 {
    font-size: 28px;
    color: var(--dark);
    margin-bottom: 5px;
}

.stat-details p {
    color: var(--text-light);
    font-size: 14px;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background: var(--light);
}

.table th {
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    font-size: 14px;
}

.table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.table tr:hover {
    background: var(--light);
}

/* Badges */
.badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

.badge-secondary {
    background: #e5e7eb;
    color: #374151;
}

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

.text-right {
    text-align: right;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.flex {
    display: flex;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gap-10 {
    gap: 10px;
}

.gap-20 {
    gap: 20px;
}

/* ============================================
   MODAL STYLES
   ============================================ */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 90%;
    position: relative;
    animation: slideDown 0.3s ease;
}

.modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    color: var(--text-light);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover,
.modal-close:focus {
    color: var(--dark);
}

.modal h2 {
    margin-bottom: 20px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal p {
    margin-bottom: 15px;
    color: var(--text-color);
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 25px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 4px;
    margin-right: 20px;
    background: #f1f3f4;
    border-radius: 20px;
    padding: 4px;
}

.lang-btn {
    background: transparent;
    border: none;
    padding: 6px 14px;
    border-radius: 16px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: #5f6368;
    transition: all 0.2s ease;
}

.lang-btn:hover {
    background: rgba(26, 115, 232, 0.1);
    color: #1a73e8;
}

.lang-btn.active {
    background: #1a73e8;
    color: white;
    box-shadow: 0 1px 3px rgba(26, 115, 232, 0.3);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 15px;
}