/* Global Reset & Typography */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-color: #0b0d12;
    --panel-bg: rgba(18, 22, 33, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f0f3f8;
    --text-secondary: #8b949e;
    --accent-glow: rgba(138, 43, 226, 0.35);
    
    /* Harmonious Harmonized Colors */
    --color-primary: #8a2be2;
    --color-primary-hover: #9d4edd;
    --color-success: #1f852e;
    --color-success-hover: #2ea043;
    --color-error: #da3633;
    --color-warning: #d29922;
    --color-info: #58a6ff;
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'Fira Code', 'Courier New', Courier, monospace;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Vibrant Animated Background Glows */
.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    top: -150px;
    right: -100px;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(11, 13, 18, 0) 70%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

body::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    bottom: -100px;
    left: -150px;
    background: radial-gradient(circle, rgba(0, 245, 255, 0.15) 0%, rgba(11, 13, 18, 0) 70%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

.app-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    min-height: 100vh;
}

/* Header styling */
.app-header {
    text-align: center;
    margin-bottom: 0.5rem;
}

.app-header .logo {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.6rem;
}

.app-header .icon {
    font-size: 2.5rem;
    animation: float 4s ease-in-out infinite;
}

.app-header h1 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 30%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.app-header .subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Dashboard Grid Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2rem;
}

.col-span-2 {
    grid-column: span 2;
}

/* Glassmorphism Panel styles */
.panel {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.panel:hover {
    box-shadow: 0 15px 40px rgba(138, 43, 226, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.panel-header h2 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: -0.3px;
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 600;
    background-color: #30363d;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
}

.badge.error {
    background-color: rgba(218, 54, 51, 0.15);
    color: #ff7b72;
    border-color: rgba(218, 54, 51, 0.4);
}

.badge.success {
    background-color: rgba(46, 160, 67, 0.15);
    color: #56d364;
    border-color: rgba(46, 160, 67, 0.4);
}

.badge.info {
    background-color: rgba(88, 166, 255, 0.15);
    color: #79c0ff;
    border-color: rgba(88, 166, 255, 0.4);
}

/* File Drop Zone */
.drop-zone {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.01);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--color-primary);
    background: rgba(138, 43, 226, 0.04);
}

.drop-zone p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.drop-zone .browse-link {
    color: var(--color-primary-hover);
    text-decoration: underline;
    font-weight: 500;
}

.upload-icon {
    width: 28px;
    height: 28px;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.drop-zone:hover .upload-icon {
    transform: translateY(-2px);
    color: var(--color-primary-hover);
}

/* Textarea / Editor */
.editor-wrapper {
    position: relative;
    width: 100%;
}

textarea {
    width: 100%;
    height: 280px;
    background: rgba(10, 12, 18, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    resize: none;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(138, 43, 226, 0.15);
}

.validation-msg {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.4;
    border-left: 4px solid transparent;
}

.validation-msg.error {
    background: rgba(218, 54, 51, 0.1);
    color: #ff7b72;
    border-left-color: var(--color-error);
    border: 1px solid rgba(218, 54, 51, 0.2);
    border-left-width: 4px;
}

/* Filter rules builder */
.filter-builder-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.filter-builder-wrapper > label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.rules-container {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.rule-row {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1.2fr auto;
    gap: 0.6rem;
    align-items: center;
    animation: slideIn 0.2s ease-out;
}

/* Select, Inputs */
select, input[type="text"] {
    background: rgba(10, 12, 18, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 0.65rem 0.8rem;
    font-size: 0.88rem;
    outline: none;
    transition: all 0.2s ease;
    width: 100%;
}

select:focus, input[type="text"]:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(138, 43, 226, 0.12);
}

/* Button style */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #7c3aed 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(138, 43, 226, 0.25);
}

.btn-primary:not(:disabled):hover {
    background: linear-gradient(135deg, var(--color-primary-hover) 0%, #6d28d9 100%);
    box-shadow: 0 6px 20px rgba(138, 43, 226, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
}

.btn-success {
    background: var(--color-success);
    color: white;
    box-shadow: 0 4px 12px rgba(31, 133, 46, 0.2);
}

.btn-success:not(:disabled):hover {
    background: var(--color-success-hover);
    box-shadow: 0 6px 16px rgba(46, 160, 67, 0.35);
    transform: translateY(-1px);
}

.btn-danger-icon {
    background: rgba(218, 54, 51, 0.12);
    border: 1px solid rgba(218, 54, 51, 0.3);
    color: #ff7b72;
    padding: 0.6rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-danger-icon:hover {
    background: var(--color-error);
    color: white;
    border-color: var(--color-error);
}

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

/* Control structure */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.control-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.actions-wrapper {
    display: flex;
    gap: 1rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.actions-wrapper .btn {
    flex: 1;
}

/* Output zoning */
.output-pre {
    background: rgba(10, 12, 18, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.2rem;
    color: var(--text-primary);
    overflow: auto;
    max-height: 400px;
    font-size: 0.85rem;
    line-height: 1.5;
}

.output-wrapper {
    position: relative;
    border-radius: 12px;
    background: rgba(10, 12, 18, 0.4);
    min-height: 150px;
}

.count-indicator {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-info);
}

/* Large File Notice */
.large-file-notice {
    padding: 3rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    background: rgba(10, 12, 18, 0.8);
}

.large-file-notice h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
}

.large-file-notice p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 450px;
}

.large-file-notice .alert-icon {
    width: 48px;
    height: 48px;
    color: var(--color-warning);
}

.large-file-notice .tip {
    font-size: 0.85rem;
    background: rgba(138, 43, 226, 0.08);
    border: 1px solid rgba(138, 43, 226, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    color: var(--text-primary);
    margin-top: 0.5rem;
}

/* Footer styling */
.app-footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Keyframes & Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Rules */
@media(max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .col-span-2 {
        grid-column: span 1;
    }
}

@media(max-width: 600px) {
    .app-container {
        padding: 1.5rem 1rem;
        gap: 1.5rem;
    }
    .app-header h1 {
        font-size: 2rem;
    }
    .app-header .subtitle {
        font-size: 0.95rem;
    }
    .panel {
        padding: 1.2rem;
        border-radius: 16px;
    }
    .panel-header h2 {
        font-size: 1.15rem;
    }
    .rule-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        background: rgba(255, 255, 255, 0.02);
        padding: 0.8rem;
        border-radius: 8px;
        border: 1px solid var(--border-color);
    }
    .btn-danger-icon {
        width: 100%;
        padding: 0.75rem;
        margin-top: 0.2rem;
    }
    .actions-wrapper {
        flex-direction: column;
        gap: 0.8rem;
    }
}

/* Select2 Premium Dark-Mode Theme Overrides */
.select2-container--default .select2-selection--single {
    background: rgba(10, 12, 18, 0.8) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    height: 38px !important;
    outline: none !important;
    transition: all 0.2s ease !important;
}

.select2-container--default .select2-selection--single:focus,
.select2-container--default.select2-container--focus .select2-selection--single {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 2px rgba(138, 43, 226, 0.12) !important;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--text-primary) !important;
    line-height: 36px !important;
    padding-left: 10px !important;
    padding-right: 20px !important;
}

.select2-container--default .select2-selection--single .select2-selection__placeholder {
    color: var(--text-secondary) !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 36px !important;
    right: 8px !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow b {
    border-color: var(--text-secondary) transparent transparent transparent !important;
}

.select2-container--default.select2-container--open .select2-selection__arrow b {
    border-color: transparent transparent var(--text-secondary) transparent !important;
}

/* Dropdown styling */
.select2-dropdown {
    background: rgba(18, 22, 33, 0.96) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4) !important;
    z-index: 9999 !important;
    overflow: hidden !important;
}

/* Search field inside dropdown */
.select2-search--dropdown {
    padding: 8px !important;
    background: rgba(10, 12, 18, 0.4) !important;
}

.select2-search--dropdown .select2-search__field {
    background: rgba(10, 12, 18, 0.8) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px !important;
    color: var(--text-primary) !important;
    padding: 6px 10px !important;
    outline: none !important;
    font-size: 0.85rem !important;
}

.select2-search--dropdown .select2-search__field:focus {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 2px rgba(138, 43, 226, 0.12) !important;
}

/* Dropdown list results */
.select2-results__options {
    max-height: 250px !important;
    font-size: 0.85rem !important;
}

.select2-results__option {
    padding: 8px 12px !important;
    color: var(--text-secondary) !important;
    background-color: transparent !important;
    transition: all 0.15s ease !important;
}

.select2-container--default .select2-results__option[aria-selected=true] {
    background-color: rgba(255, 255, 255, 0.05) !important;
    color: var(--text-primary) !important;
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background: var(--color-primary) !important;
    color: #ffffff !important;
}

/* Adjust margins/gaps in row layout for select2 elements */
.rule-row .select2-container {
    margin: 0 !important;
    display: inline-block !important;
}

.select2-container .select2-selection--single .select2-selection__rendered {
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Production Footer Links */
.footer-links {
    margin-top: 0.6rem;
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    align-items: center;
    font-size: 0.82rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.footer-links .divider {
    color: var(--border-color);
    pointer-events: none;
}

/* Premium Modal Overlays */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(11, 13, 18, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    pointer-events: auto;
    display: flex !important; /* Force displays */
}

/* Modal Content Glassmorphism */
.modal-content {
    background: rgba(18, 22, 33, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    width: 90%;
    max-width: 580px;
    padding: 2rem;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal-overlay.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.8rem;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: #ffffff;
}

.close-modal-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.8rem;
    cursor: pointer;
    transition: color 0.2s ease;
    line-height: 1;
}

.close-modal-btn:hover {
    color: var(--color-error);
}

/* Step Card Layout */
.step-card {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    align-items: flex-start;
}

.step-num {
    background: linear-gradient(135deg, var(--color-primary) 0%, #7c3aed 100%);
    color: #ffffff;
    font-weight: 700;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.step-info h3 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
    color: #ffffff;
}

.step-info p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

.pdpa-text h3 {
    color: var(--color-info);
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}

.pdpa-text h4 {
    color: #ffffff;
    font-size: 0.95rem;
    margin-top: 1.2rem;
    margin-bottom: 0.4rem;
}

.pdpa-text p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.8rem;
}

.pdpa-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: 1.5rem;
    font-size: 0.85rem !important;
    color: var(--text-secondary);
}