/* ============================================
   CSS Variables - Light Mode (default)
   ============================================ */
:root {
    --primary-color: #4a6bff;
    --primary-light: #6b8cff;
    --primary-dark: #3a5bef;
    --secondary-color: #f8f9fa;
    --accent-color: #ff6b6b;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --text-dark: #2c3e50;
    --text-muted: #6c757d;
    --border-color: #e9ecef;
    --bg-color: #f5f7ff;
    --card-bg: white;
    --navbar-bg: white;
    --shadow-light: rgba(74, 107, 255, 0.08);
    --shadow-medium: rgba(74, 107, 255, 0.15);
    --shadow-dark: rgba(0, 0, 0, 0.1);
}

/* ============================================
   CSS Variables - Dark Mode
   ============================================ */
[data-theme="dark"] {
    --primary-color: #6b8cff;
    --primary-light: #8baaff;
    --primary-dark: #5a7bff;
    --secondary-color: #2a2a3e;
    --accent-color: #ff7b7b;
    --success-color: #4ade80;
    --danger-color: #f87171;
    --text-dark: #e0e0e0;
    --text-muted: #a0a0a0;
    --border-color: #3a3a4e;
    --bg-color: #1a1a2e;
    --card-bg: #16213e;
    --navbar-bg: #16213e;
    --shadow-light: rgba(107, 140, 255, 0.1);
    --shadow-medium: rgba(107, 140, 255, 0.2);
    --shadow-dark: rgba(0, 0, 0, 0.3);
}

/* ============================================
   Base Styles
   ============================================ */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    min-height: 100vh;
    color: var(--text-dark);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ============================================
   Navbar Styles
   ============================================ */
.navbar {
    background-color: var(--navbar-bg);
    box-shadow: 0 2px 4px var(--shadow-dark);
    padding: 1rem 2rem;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
    font-size: 1.4rem;
    transition: color 0.3s ease;
}

/* Theme toggle button - matches Bootstrap btn-outline-secondary style */
.theme-toggle {
    /* Inherit Bootstrap button styles */
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.theme-toggle i {
    font-size: 1rem;
    flex-shrink: 0;
}

.theme-toggle span {
    font-size: 0.875rem;
}

/* ============================================
   Container Styles
   ============================================ */
.main-container {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.workflow-container {
    max-width: 1000px;
    margin: 3rem auto;
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 4px 6px var(--shadow-dark);
    padding: 3rem 2.5rem;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* ============================================
   Card Styles
   ============================================ */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 4px 6px var(--shadow-dark);
    background: var(--card-bg);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    margin-bottom: 2rem;
}

.card:hover {
    transform: translateY(-5px);
}

.card-body {
    padding: 2.5rem;
}

/* ============================================
   Typography
   ============================================ */
.page-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 2.5rem;
    letter-spacing: -0.5px;
    transition: color 0.3s ease;
}

/* ============================================
   Button Styles
   ============================================ */
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--shadow-medium);
    color: white;
}

.btn-primary:disabled {
    background-color: var(--text-muted);
    cursor: not-allowed;
    transform: none;
}

.btn-primary i {
    margin-right: 0.5rem;
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.btn-outline-danger {
    color: var(--danger-color);
    border-color: var(--danger-color);
}

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

/* ============================================
   Alert Styles
   ============================================ */
.alert {
    border-radius: 10px;
    border: none;
    box-shadow: 0 2px 4px var(--shadow-dark);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

[data-theme="dark"] .alert-success {
    background-color: rgba(74, 222, 128, 0.15);
    color: var(--success-color);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

[data-theme="dark"] .alert-danger {
    background-color: rgba(248, 113, 113, 0.15);
    color: var(--danger-color);
}

.alert-info {
    background-color: rgba(13, 202, 240, 0.1);
    color: #0dcaf0;
    border-left: 3px solid #0dcaf0;
}

[data-theme="dark"] .alert-info {
    background-color: rgba(13, 202, 240, 0.15);
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #856404;
    border-left: 3px solid #ffc107;
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(255, 193, 7, 0.15);
    color: #ffc107;
}

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

#alert .btn-close {
    margin-left: auto;
}

/* ============================================
   Form Styles
   ============================================ */
.form-control {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    background-color: var(--card-bg);
    color: var(--text-dark);
    transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(74, 107, 255, 0.25);
    background-color: var(--card-bg);
    color: var(--text-dark);
}

.form-control:read-only {
    background-color: var(--secondary-color);
}

.form-label {
    font-weight: 500;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.text-muted {
    color: var(--text-muted) !important;
}

/* ============================================
   Upload Section
   ============================================ */
.upload-section {
    padding: 2rem;
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    text-align: center;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    background-color: var(--card-bg);
}

.upload-section:hover {
    border-color: var(--primary-color);
    background-color: rgba(74, 107, 255, 0.05);
}

[data-theme="dark"] .upload-section:hover {
    background-color: rgba(107, 140, 255, 0.1);
}

.upload-section.highlight {
    border-color: var(--primary-color);
    background-color: rgba(74, 107, 255, 0.05);
}

[data-theme="dark"] .upload-section.highlight {
    background-color: rgba(107, 140, 255, 0.1);
}

/* ============================================
   Progress Bar
   ============================================ */
.progress {
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 1rem;
}

.progress-bar {
    height: 4px;
    background: var(--primary-color);
    width: 0;
    transition: width 0.3s ease;
    position: relative;
}

.progress-bar.success {
    background-color: var(--success-color) !important;
}

.progress-bar.error {
    background-color: var(--danger-color) !important;
}

/* ============================================
   File List
   ============================================ */
.file-list {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    gap: 0.5rem;
    transition: border-color 0.3s ease;
}

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

.file-item i {
    margin-right: 0.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.file-item span {
    flex: 1;
    word-break: break-word;
}

#fileList {
    max-height: 200px;
    overflow-y: auto;
}

/* ============================================
   Config Section (config.html specific)
   ============================================ */
.config-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--card-bg);
    transition: all 0.3s ease;
}

.config-section:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 4px var(--shadow-light);
}

.feature-section {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-section:hover {
    background-color: var(--border-color);
}

.parameter-section {
    margin-left: 2rem;
    padding: 1.5rem;
    background-color: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.section-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i {
    font-size: 1.2em;
}

.feature-title {
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ============================================
   Workflow Step Card (workflow.html specific)
   ============================================ */
.workflow-step-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 4px 6px var(--shadow-dark);
    padding: 2.5rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
}

.workflow-step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px var(--shadow-medium);
    border-color: var(--primary-color);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
}

.step-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px var(--shadow-medium);
    position: relative;
}

.step-icon i {
    font-size: 2.2rem;
    color: white;
    z-index: 1;
    position: relative;
}

.step-header h4 {
    margin: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.step-content {
    width: 100%;
}

.step-content p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.6;
}

.step-number {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
    z-index: 2;
}

.download-section {
    background-color: var(--secondary-color);
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 1.5rem;
    border: 1.5px dashed var(--border-color);
    text-align: center;
}

.download-section span {
    color: var(--text-muted);
    font-weight: 500;
}

.download-links {
    margin-top: 1rem;
}

.download-link {
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

/* ============================================
   Footer (workflow.html specific)
   ============================================ */
.footer {
    background-color: var(--navbar-bg);
    border-top: 1px solid var(--border-color);
    padding: 1rem 2rem;
    box-shadow: 0 -2px 4px var(--shadow-dark);
    margin-top: auto;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-content a:hover {
    text-decoration: underline;
}

/* ============================================
   Login Page Specific (login.html)
   ============================================ */
body.login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

[data-theme="dark"] body.login-page {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.login-container {
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 40px var(--shadow-dark);
    padding: 3rem;
    max-width: 400px;
    width: 100%;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

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

.login-header h1 {
    color: #667eea;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

[data-theme="dark"] .login-header h1 {
    color: var(--primary-color);
}

.login-page .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

[data-theme="dark"] .login-page .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem var(--shadow-light);
}

.login-page .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 0.75rem;
    font-weight: 600;
}

[data-theme="dark"] .login-page .btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.login-page .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

[data-theme="dark"] .login-page .btn-primary:hover {
    box-shadow: 0 5px 15px var(--shadow-medium);
}

/* ============================================
   Animations
   ============================================ */
.workflow-step-card {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.workflow-step-card:nth-child(1) { animation-delay: 0.1s; }
.workflow-step-card:nth-child(2) { animation-delay: 0.2s; }
.workflow-step-card:nth-child(3) { animation-delay: 0.3s; }
.workflow-step-card:nth-child(4) { animation-delay: 0.4s; }
.workflow-step-card:nth-child(5) { animation-delay: 0.5s; }

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

/* ============================================
   Collapse Toggle
   ============================================ */
[data-bs-toggle="collapse"] {
    transition: all 0.3s ease;
}

[data-bs-toggle="collapse"]:not(.collapsed) .fa-chevron-down {
    transform: rotate(180deg);
    transition: transform 0.3s ease;
}

.fa-chevron-down {
    transition: transform 0.3s ease;
}

/* ============================================
   Table Styles (admin.html)
   ============================================ */
.table {
    color: var(--text-dark);
}

.table thead th {
    border-bottom: 2px solid var(--border-color);
    color: var(--text-dark);
}

.table tbody td {
    border-bottom: 1px solid var(--border-color);
}

/* ============================================
   Object List (config.html)
   ============================================ */
.object-list {
    margin-left: 2rem;
}

.object-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.object-item input {
    flex: 1;
}

/* ============================================
   Settings Card (config.html)
   ============================================ */
.settings-card {
    background: var(--secondary-color);
    border-radius: 10px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    height: 100%;
}

.settings-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px var(--shadow-light);
}

/* ============================================
   Remove Button (workflow.html)
   ============================================ */
.file-item .remove-btn {
    background: none;
    border: none;
    color: var(--danger-color);
    font-size: 1.1rem;
    padding: 0.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-item .remove-btn:hover {
    background-color: var(--danger-color);
    color: white;
    transform: scale(1.1);
}

.file-item .remove-btn i {
    color: var(--danger-color);
}

.file-item .remove-btn:hover i {
    color: white;
}