/* Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&display=swap');

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --sidebar-width: 280px;
    --text-primary: #1a202c;
    --text-secondary: #718096;
    --bg-light: #f7fafc;
    --border-color: #e2e8f0;
    --success-bg: rgba(16, 185, 129, 0.15);
    --success-text: #059669;
    --error-bg: rgba(239, 68, 68, 0.15);
    --error-text: #dc2626;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.3);
}

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

body,
input,
select,
textarea,
button,
option {
    font-family: 'Kanit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
    background: var(--primary-gradient);
    min-height: 100vh;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Login Page */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-container {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 450px;
    animation: fadeInUp 0.6s ease;
}

.btn-login {
    width: 100%;
    padding: 1rem;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    margin-top: 0.5rem;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

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

.footer-text {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    padding: 2rem 0;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
}

.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

.logo-section {
    padding: 0 2rem 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    margin-bottom: 1.5rem;
}

.logo-section h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.login-container .logo-section h1 {
    font-size: 2.5rem;
}

.logo-section p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.nav-section {
    padding: 0 1rem;
    flex: 1;
    overflow-y: auto;
}

.nav-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #a0aec0;
    padding: 0 1rem;
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    margin-bottom: 0.25rem;
    border-radius: 12px;
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-gradient);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.nav-link:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: #667eea;
    transform: translateX(4px);
}

.nav-link:hover::before {
    transform: scaleY(1);
}

.nav-link.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    color: #667eea;
    font-weight: 600;
}

.nav-link.active::before {
    transform: scaleY(1);
}

.nav-icon {
    width: 20px;
    height: 20px;
    margin-right: 0.75rem;
    opacity: 0.7;
}

.logout-section {
    margin-top: auto;
    padding: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.logout-link {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    border-radius: 12px;
    text-decoration: none;
    color: #dc2626;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(239, 68, 68, 0.05);
}

.logout-link:hover {
    background: rgba(239, 68, 68, 0.15);
    transform: translateX(4px);
}

.logout-link .nav-icon {
    color: #dc2626;
    opacity: 1;
}

/* Main Content */
.content {
    padding: 2.5rem;
    margin-left: var(--sidebar-width);
    width: auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.header-left h2 {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-left p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: white;
    color: #667eea;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-submit {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.25);
    color: white;
    backdrop-filter: blur(10px);
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.btn-back:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
}

.btn-cancel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    background: #f7fafc;
    color: #4a5568;
    border: 2px solid var(--border-color);
}

.btn-cancel:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
    transform: translateY(-2px);
}

/* PDF Link Button - Matches btn-back style */
.pdf-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.25);
    color: white;
    backdrop-filter: blur(10px);
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.pdf-link:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
}

.pdf-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.pdf-label {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Cards & Containers */
.card,
.table-container,
.form-container {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.5s ease;
}

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

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

/* Tables */
.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.table-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Search Box */
.search-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.search-box:focus-within {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-box svg {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.search-box input {
    border: none;
    outline: none;
    background: transparent;
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text-primary);
    width: 100%;
    min-width: 200px;
}

.search-box input::placeholder {
    color: var(--text-secondary);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: #f7fafc;
}

th {
    padding: 0.75rem;
    text-align: left;
    font-weight: 400;
    font-size: 0.625rem;
    color: #4a5568;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    color: #2d3748;
    font-size: 0.75rem;
    font-weight: 400;
}

tbody tr {
    transition: all 0.2s ease;
}

tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
}

td strong {
    font-weight: 400;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-edit,
.btn-delete {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 400;
    font-size: 0.75rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-edit {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
}

.btn-edit:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-1px);
}

.btn-delete {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.2);
    transform: translateY(-1px);
}

/* Forms */
.form-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.form-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--text-secondary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    font-weight: 400;
    font-size: 0.875rem;
    color: #4a5568;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.required {
    color: #dc2626;
}

.form-input,
.form-select {
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    background: white;
    width: 100%;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.section-icon {
    width: 20px;
    height: 20px;
    color: #667eea;
    flex-shrink: 0;
}

.form-textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    background: white;
    width: 100%;
    min-height: 120px;
    resize: vertical;
}

.form-textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Dashboard */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

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

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Quick Actions */
.quick-actions h3 {
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.action-btn:hover {
    transform: translateY(-2px);
    border-color: rgba(102, 126, 234, 0.3);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.action-icon {
    width: 20px;
    height: 20px;
    color: #667eea;
    flex-shrink: 0;
}

/* Zones Grid */
.zones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.zone-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.zone-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.zone-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.zone-body {
    padding: 1.5rem;
}

.zone-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.zone-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.zone-status {
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-open {
    background: var(--success-bg);
    color: var(--success-text);
}

.status-new {
    background: rgba(59, 130, 246, 0.15);
    color: #2563eb;
}

.status-coming {
    background: rgba(245, 158, 11, 0.15);
    color: #d97706;
}

.zone-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.zone-footer {
    display: flex;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-active {
    background: var(--success-bg);
    color: var(--success-text);
}

.status-inactive {
    background: var(--error-bg);
    color: var(--error-text);
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success-text);
}

.alert-error {
    background: var(--error-bg);
    color: var(--error-text);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .content {
        margin-left: 0;
        padding: 1.5rem;
    }

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

    .stats-grid,
    .zones-grid {
        grid-template-columns: 1fr;
    }

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

/* Stat Card Links */
.stat-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.stat-link:hover {
    color: #667eea;
}

.stat-link svg {
    width: 16px;
    stroke: #dc2626;
}

/* PDF Link in Contracts List Table - Match Edit/Delete Button Size */
table .pdf-link {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 400;
    color: #dc2626;
}

table .pdf-link svg {
    width: 16px;
    height: 16px;
    color: #dc2626;
    stroke: #dc2626;
}