@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #e50914;
    --primary-dark: #b2070f;
    --primary-glow: rgba(229, 9, 20, 0.25);
    --dark: #0a0a0a;
    --dark-light: #1a1a2e;
    --dark-mid: #16213e;
    --surface: rgba(22, 33, 62, 0.6);
    --text: #f0f0f0;
    --text-secondary: #8892b0;
    --success: #00d68f;
    --success-glow: rgba(0, 214, 143, 0.2);
    --warning: #ffaa00;
    --danger: #ff4d6d;
    --accent: #7b2ff7;
    --card-bg: rgba(16, 18, 36, 0.85);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
    background-color: var(--dark);
    color: var(--text);
    line-height: 1.6;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(229, 9, 20, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(123, 47, 247, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(0, 214, 143, 0.04) 0%, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    width: 100%;
}

/* ===== HEADER ===== */
header {
    text-align: center;
    margin-bottom: 36px;
    padding: 32px 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.logo {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, #ff4757 50%, var(--primary) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.tagline {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* ===== TABS ===== */
.tabs {
    display: flex;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
    gap: 4px;
}

.tab {
    padding: 12px 24px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
}

.tab:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
}

.tab.active {
    border-bottom: 2px solid var(--primary);
    color: var(--primary);
    background: rgba(229, 9, 20, 0.05);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* ===== LAYOUT - All cards stack vertically, full width ===== */
.main-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

/* ===== CARDS ===== */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 28px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.3px;
}

.card-title i {
    color: var(--primary);
    font-size: 1.1rem;
}

/* ===== FORM ELEMENTS ===== */
.input-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.3px;
}

textarea,
input[type="text"],
select,
input[type="file"] {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text);
    font-size: 0.9rem;
    transition: var(--transition);
    max-width: 100%;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

textarea:focus,
input[type="text"]:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

textarea {
    min-height: 150px;
    resize: vertical;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 44px;
    letter-spacing: 0.2px;
    position: relative;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn:hover::before {
    opacity: 1;
}

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

.btn:disabled {
    background: var(--dark-light);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--dark-light) 0%, var(--dark-mid) 100%);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #2a2a4a 0%, #1e2a4a 100%);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #00b377 100%);
}

.btn-success:hover {
    box-shadow: 0 6px 20px var(--success-glow);
}

.btn-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ===== MODE TOGGLE ===== */
.mode-toggle {
    display: flex;
    background: rgba(0, 0, 0, 0.4);
    border-radius: var(--border-radius-sm);
    padding: 4px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.mode-option {
    flex: 1;
    text-align: center;
    padding: 10px;
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.mode-option:hover {
    color: var(--text);
}

.mode-option.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 2px 10px var(--primary-glow);
}

/* ===== PROGRESS ===== */
.progress-container {
    margin: 20px 0;
}

.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
    min-height: 6px;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #ff4757, var(--primary));
    background-size: 200% 100%;
    width: 0%;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 3px;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

.status {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== DROPDOWN STYLES ===== */
.dropdown-toggle {
    width: 100%;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.15) 0%, rgba(229, 9, 20, 0.05) 100%);
    border: 1px solid rgba(229, 9, 20, 0.2);
    border-radius: var(--border-radius-sm);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.dropdown-toggle:hover {
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.25) 0%, rgba(229, 9, 20, 0.1) 100%);
    border-color: rgba(229, 9, 20, 0.4);
    transform: translateY(-1px);
}

.dropdown-toggle.active {
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.2) 0%, rgba(229, 9, 20, 0.08) 100%);
    border-color: var(--primary);
}

.dropdown-toggle i {
    transition: transform 0.3s ease;
    font-size: 0.75rem;
    opacity: 0.7;
}

.dropdown-toggle.active i {
    transform: rotate(180deg);
}

.dropdown-content {
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--border-radius-sm);
    padding: 16px;
    border: 1px solid var(--border-color);
    animation: slideDown 0.3s ease;
    max-height: 500px;
    overflow-y: auto;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
        padding: 0 16px;
    }

    to {
        opacity: 1;
        max-height: 500px;
        padding: 16px;
    }
}

/* ===== RESULTS CONTAINER ===== */
.results-container {
    max-height: 600px;
    overflow-y: auto;
    margin-top: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: rgba(0, 0, 0, 0.15);
}

.results {
    padding: 16px;
}

/* Custom Scrollbar */
.results-container::-webkit-scrollbar,
.dropdown-content::-webkit-scrollbar {
    width: 6px;
}

.results-container::-webkit-scrollbar-track,
.dropdown-content::-webkit-scrollbar-track {
    background: transparent;
}

.results-container::-webkit-scrollbar-thumb,
.dropdown-content::-webkit-scrollbar-thumb {
    background: rgba(229, 9, 20, 0.4);
    border-radius: 3px;
}

.results-container::-webkit-scrollbar-thumb:hover,
.dropdown-content::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ===== RESULT ITEMS ===== */
.result-item {
    margin-bottom: 16px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.result-item:hover {
    border-color: rgba(255, 255, 255, 0.08);
}

.result-title {
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

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

/* ===== QUICK STATS BADGES ===== */
.quick-stats {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.stat-badge {
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.stat-badge.valid {
    background: linear-gradient(135deg, var(--success), #00b377);
    color: white;
    box-shadow: 0 2px 8px var(--success-glow);
}

.stat-badge.invalid {
    background: linear-gradient(135deg, var(--danger), #c9184a);
    color: white;
}

.stat-badge.premium {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #1a1a1a;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.stat-badge.basic {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.stat-badge.country {
    background: linear-gradient(135deg, var(--accent), #6c2fd2);
    color: white;
}

/* ===== INFO GRID ===== */
.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
    border-left: 3px solid rgba(229, 9, 20, 0.3);
    transition: var(--transition);
    gap: 12px;
    min-width: 0;
}

.info-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-left-color: var(--primary);
    transform: translateX(3px);
}

.info-label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.info-value {
    color: var(--text);
    font-size: 0.85rem;
    text-align: right;
    word-break: break-word;
    min-width: 0;
    flex: 1;
}

/* ===== TOKEN INFORMATION ===== */
.token-info {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius-sm);
    padding: 16px;
    margin-top: 12px;
    border: 1px solid var(--border-color);
}

.token-url {
    background: rgba(0, 0, 0, 0.5);
    padding: 12px;
    border-radius: 6px;
    word-break: break-all;
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
    line-height: 1.5;
    color: var(--text-secondary);
}

.copy-btn {
    margin-top: 8px;
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.2) 0%, rgba(229, 9, 20, 0.1) 100%);
    border: 1px solid rgba(229, 9, 20, 0.3);
    color: white;
    padding: 8px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.copy-btn:hover {
    background: linear-gradient(135deg, rgba(229, 9, 20, 0.35) 0%, rgba(229, 9, 20, 0.2) 100%);
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* ===== SECTION HEADERS ===== */
.section-header {
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 700;
    margin: 20px 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(229, 9, 20, 0.2);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.5px;
}

.section-header:first-child {
    margin-top: 0;
}

/* ===== STATUS INDICATORS ===== */
.status-valid {
    color: var(--success) !important;
    font-weight: 700;
}

.status-invalid {
    color: var(--danger) !important;
    font-weight: 700;
}

.status-premium {
    color: #ffd700 !important;
    font-weight: 700;
}

/* ===== BATCH PROCESSING ===== */
.batch-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.file-list {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.file-item {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

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

.file-status {
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.file-status.valid {
    background: linear-gradient(135deg, var(--success), #00b377);
    color: white;
}

.file-status.invalid {
    background: linear-gradient(135deg, var(--danger), #c9184a);
    color: white;
}

.file-status.processing {
    background: linear-gradient(135deg, var(--warning), #e8950a);
    color: #1a1a1a;
}

/* ===== SUMMARY STATS ===== */
.summary {
    margin-top: 20px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.summary-title {
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 0.9rem;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.stat {
    text-align: center;
    padding: 14px 10px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.1);
}

.stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat.valid .stat-value {
    color: var(--success);
}

.stat.invalid .stat-value {
    color: var(--danger);
}

.stat.total .stat-value {
    color: var(--primary);
}

.hidden {
    display: none;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    margin-top: 48px;
    padding: 24px 0;
    color: var(--text-secondary);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

footer a:hover {
    color: #ff4757;
    text-shadow: 0 0 10px var(--primary-glow);
}

/* ===== NOTIFICATION ===== */
.notification {
    position: fixed;
    top: 24px;
    right: 24px;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--success), #00b377);
    color: white;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 8px 32px rgba(0, 214, 143, 0.3);
    transform: translateX(150%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    max-width: calc(100% - 48px);
    word-wrap: break-word;
    font-size: 0.85rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.notification.show {
    transform: translateX(0);
}

.notification.error {
    background: linear-gradient(135deg, var(--danger), #c9184a);
    box-shadow: 0 8px 32px rgba(255, 77, 109, 0.3);
}

/* ===== SPINNER ===== */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== SINGLE LINE RESULT ===== */
.single-line-result {
    font-size: 0.8rem;
    line-height: 1.3;
    padding: 6px 10px;
}

.single-line-result .file-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.single-line-result .file-info span {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== TELEGRAM HIT SENDER ===== */
.toggle-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-bottom: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.toggle-label input {
    display: none;
}

.toggle-slider {
    width: 48px;
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    position: relative;
    margin-right: 12px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.toggle-slider:before {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    top: 2px;
    left: 3px;
    transition: var(--transition);
}

.toggle-label input:checked+.toggle-slider {
    background: linear-gradient(135deg, var(--success), #00b377);
    border-color: var(--success);
}

.toggle-label input:checked+.toggle-slider:before {
    transform: translateX(24px);
}

.telegram-config {
    margin-top: 15px;
    padding: 16px;
    background: rgba(0, 136, 204, 0.05);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(0, 136, 204, 0.15);
}

.telegram-status {
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.telegram-status.enabled {
    background: var(--success-glow);
    color: var(--success);
    border: 1px solid rgba(0, 214, 143, 0.3);
}

.telegram-status.disabled {
    background: rgba(255, 77, 109, 0.1);
    color: var(--danger);
    border: 1px solid rgba(255, 77, 109, 0.2);
}

.telegram-status.testing {
    background: rgba(255, 170, 0, 0.1);
    color: var(--warning);
    border: 1px solid rgba(255, 170, 0, 0.2);
}

.telegram-hit-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 10px;
    padding: 2px 8px;
    background: linear-gradient(135deg, var(--success), #00b377);
    color: white;
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: 700;
    animation: pulse 2s infinite;
    letter-spacing: 0.3px;
}

@keyframes pulse {
    0% {
        opacity: 1;
        box-shadow: 0 0 0 0 var(--success-glow);
    }

    50% {
        opacity: 0.85;
        box-shadow: 0 0 0 6px transparent;
    }

    100% {
        opacity: 1;
        box-shadow: 0 0 0 0 var(--success-glow);
    }
}

/* ===== SUCCESS RATE ===== */
.success-rate {
    margin-top: 10px;
    padding: 8px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.success-rate.high {
    color: var(--success);
}

.success-rate.medium {
    color: var(--warning);
}

.success-rate.low {
    color: var(--danger);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 12px;
    }

    .main-content {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .logo {
        font-size: 1.8rem;
    }

    .card {
        padding: 20px;
    }

    .btn-group {
        flex-direction: column;
    }

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

    .tabs {
        flex-wrap: wrap;
    }

    .tab {
        flex: 1;
        min-width: 100px;
        text-align: center;
        padding: 10px 12px;
        font-size: 0.8rem;
    }

    body.mobile .card {
        padding: 16px;
    }

    .dropdown-toggle {
        padding: 14px;
        font-size: 0.85rem;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .info-item {
        padding: 8px 10px;
        flex-direction: column;
        gap: 4px;
        align-items: flex-start;
    }

    .info-value {
        text-align: left;
    }

    .results-container {
        max-height: 500px;
    }

    .dropdown-content {
        max-height: 400px;
    }

    input,
    textarea,
    select {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 8px;
    }

    .card {
        padding: 16px;
    }

    .card-title {
        font-size: 1.1rem;
    }

    .logo {
        font-size: 1.6rem;
    }

    .tagline {
        font-size: 0.85rem;
    }

    .mode-toggle {
        flex-direction: column;
    }
}

/* Ensure text areas are responsive */
textarea,
input[type="text"] {
    max-width: 100%;
    box-sizing: border-box;
}

/* Make file lists scrollable on mobile */
.file-list {
    max-height: 200px;
    overflow-y: auto;
}

/* Responsive table for results */
.results-table {
    width: 100%;
    overflow-x: auto;
}

/* Touch device improvements */
@media (hover: none) and (pointer: coarse) {
    .btn {
        padding: 14px 20px;
        font-size: 1rem;
    }
}