:root {
    --cyan-vivid: #06b6d4;
    --purple-vivid: #9333ea;
    --navbar-btn-gradient: linear-gradient(135deg, var(--cyan-vivid), var(--purple-vivid));
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(226, 232, 240, 0.8);
    --navbar-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 0 10px rgba(37, 99, 235, 0.05);
    --backdrop-blur: blur(15px) saturate(180%);
    --bg-gradient: radial-gradient(circle at top left, #f1f5f9, #e2e8f0);
    --bg-top: #f1f5f9;
    --bg-bottom: #ffffff;
    --surface-color: rgba(255, 255, 255, 0.95);
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --primary-color: #1d4ed8;
    --primary-hover: #1e40af;
    --primary-glow: rgba(37, 99, 235, 0.4);
    --success-bg: #ecfdf5;
    --success-text: #059669;
    --success-border: #a7f3d0;
    --error-bg: #fef2f2;
    --error-text: #dc2626;
    --error-border: #fecaca;
    --dropzone-bg: #f8fafc;
    --dropzone-hover: #eff6ff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --scan-line: rgba(37, 99, 235, 0.5);
    --option-bg: #ffffff;
    --copy-bg: #f1f5f9;
}
[data-theme="dark"] {
    --glass-bg: rgba(20, 25, 38, 0.7);
    --glass-border: rgba(56, 189, 248, 0.2);
    --navbar-shadow: 0 4px 15px rgba(0, 0, 0, 0.4), 0 0 10px rgba(56, 189, 248, 0.2);
    --bg-gradient: radial-gradient(circle at top left, #1e293b, #0f172a);
    --bg-top: #1e293b;
    --bg-bottom: #0f172a;
    --surface-color: rgba(15, 23, 42, 0.85);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-glow: rgba(59, 130, 246, 0.4);
    --success-bg: rgba(6, 78, 59, 0.5);
    --success-text: #34d399;
    --success-border: #047857;
    --error-bg: rgba(127, 29, 29, 0.5);
    --error-text: #f87171;
    --error-border: #b91c1c;
    --dropzone-bg: rgba(30, 41, 59, 0.5);
    --dropzone-hover: rgba(23, 37, 84, 0.5);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.5);
    --scan-line: rgba(96, 165, 250, 0.5);
    --option-bg: #1e293b;
    --copy-bg: rgba(30, 41, 59, 0.8);
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    background-color: var(--bg-bottom);
    background-image: linear-gradient(to bottom, var(--bg-top) 0%, var(--bg-top) 50%, var(--bg-bottom) 50%, var(--bg-bottom) 100%);
    transition: background-color 0.5s ease;
}
body {
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background 0.5s ease, color 0.3s ease;
    line-height: 1.5;
    overflow-x: hidden;
    padding: 0;
    display: flex;
    flex-direction: column;
}
@keyframes fadeSlideUp {
    0% { opacity: 0; transform: translateY(30px) scale(0.98); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes slideInRight {
    0% { opacity: 0; transform: translateX(30px); }
    100% { opacity: 1; transform: translateX(0); }
}
@keyframes scanSweep {
    0% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* --- Added: Professional Live Table Row Animation --- */
@keyframes rowFadeIn {
    from { opacity: 0; transform: translateY(10px); background-color: var(--dropzone-hover); }
    to { opacity: 1; transform: translateY(0); background-color: transparent; }
}
.new-row-anim {
    animation: rowFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* --- Added: Light/Dark Responsive Skeleton Loader --- */
.skeleton {
    background: linear-gradient(90deg, var(--border-color) 25%, var(--copy-bg) 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite linear;
    border-radius: 4px;
}
.skeleton-text {
    display: inline-block;
    min-height: 16px;
}
.skeleton-badge {
    border-radius: 9999px;
}
@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.navbar {
    position: fixed;
    top: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1150px;
    z-index: 1000;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 5rem;
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    box-shadow: var(--navbar-shadow);
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 2rem;
    gap: 2rem;
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    cursor: pointer;
}
.brand-icon {
    color: var(--cyan-vivid);
    width: 26px;
    height: 26px;
    filter: drop-shadow(0 0 5px rgba(6, 182, 212, 0.5));
    transition: transform 0.2s ease;
}
.navbar-brand:hover .brand-icon {
    transform: scale(1.05);
}
.navbar-brand h1 {
    font-size: 1.65rem;
    font-weight: 800;
    background: linear-gradient(135deg, #06b6d4, var(--primary-color), var(--purple-vivid));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    letter-spacing: -0.03em;
    position: relative;
    margin: 0;
}
.brand-text-guard {
    font-weight: 700;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}
.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
    position: relative;
    cursor: pointer;
}
.nav-link:hover, .nav-link.active {
    color: var(--cyan-vivid);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}
.nav-btn-gradient {
    background: var(--navbar-btn-gradient);
    color: #ffffff;
    border: none;
    border-radius: 1rem;
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    filter: drop-shadow(0 0 8px rgba(96, 165, 250, 0.4));
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}
.nav-btn-gradient:hover {
    filter: drop-shadow(0 0 12px rgba(147, 51, 234, 0.5));
    transform: translateY(-1px);
}
.theme-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 34px;
    height: 34px;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.theme-btn:hover {
    background-color: var(--dropzone-hover);
    transform: rotate(15deg);
    color: var(--cyan-vivid);
}
#mobileMenuBtn:hover {
    transform: none;
}
.theme-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}
.app-layout {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding: 6.5rem 1rem 4rem 1rem;
    gap: 4rem;
    transition: all 0.5s ease-in-out;
}
.hero-panel {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 1.5rem;
    animation: fadeSlideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 2rem;
}
.hero-title {
    font-size: 4.2rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.03em;
}
.hero-highlight {
    background: var(--navbar-btn-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    position: relative;
    display: inline-block;
    padding-bottom: 0.15em; 
    margin-bottom: -0.15em; 
}
.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    max-width: 650px;
    font-weight: 400;
}
.about-panel {
    width: 100%;
    max-width: 1200px;
    padding: 2.5rem 2rem 3.5rem 2rem;
    background-color: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    animation: fadeSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    margin-bottom: 2rem;
}
.about-title {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}
.about-desc {
    text-align: center;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto 3rem auto;
    font-size: 1.1rem;
    line-height: 1.6;
}
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 0;
}
.about-card {
    background: var(--dropzone-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}
.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--cyan-vivid);
}
.about-icon {
    width: 48px;
    height: 48px;
    color: var(--cyan-vivid);
    background: var(--copy-bg);
    padding: 0.6rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.about-icon svg {
    width: 100%;
    height: 100%;
}
.about-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}
.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}
.supported-platforms {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    width: 100%;
    margin-top: 2.5rem;
}
.supported-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
.platform-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    width: 100%;
    padding: 1rem 0.5rem;
}
.platform-card {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
    text-align: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex: 0 0 auto;
}
[data-theme="dark"] .platform-card {
    background: rgba(30, 41, 59, 0.4);
}
.platform-card:hover {
    transform: translateY(-4px);
    background: var(--dropzone-hover);
    border-color: var(--cyan-vivid);
    color: var(--cyan-vivid);
    box-shadow: var(--shadow-xl);
}
[data-theme="dark"] .platform-card:hover {
    background: rgba(30, 41, 59, 0.8);
}
.workspace-wrapper {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    gap: 2.5rem;
    width: 100%;
}
.app-layout.mode-batch .workspace-wrapper {
    flex-direction: column;
    align-items: center;
}
.verification-panel {
    background-color: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 1.25rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 640px;
    flex: 1 1 500px;
    padding: 2.25rem;
    transition: max-width 0.5s ease, flex-basis 0.5s ease;
}
.results-panel-wrapper {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 1.5rem;
}
.app-layout.mode-single .results-panel-wrapper {
    display: flex;
    flex: 1 1 400px;
    max-width: 500px;
    animation: slideInRight 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.app-layout.mode-batch .results-panel-wrapper {
    display: flex;
    flex: 1 1 100%;
    max-width: 100%;
    animation: fadeSlideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.verification-panel .header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}
.verification-panel .header h2 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}
.form-group {
    margin-bottom: 1.25rem;
}
.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.custom-dropdown-container {
    position: relative;
    width: 100%;
}
.custom-dropdown-selected {
    width: 100%;
    padding: 0.85rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    background-color: var(--dropzone-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}
.custom-dropdown-selected:hover {
    border-color: var(--cyan-vivid);
    background-color: var(--dropzone-hover);
}
.custom-dropdown-selected svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    transition: transform 0.3s ease;
}
.custom-dropdown-container.open .custom-dropdown-selected {
    border-color: var(--cyan-vivid);
    background-color: var(--dropzone-hover);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}
.custom-dropdown-container.open .custom-dropdown-selected svg {
    transform: rotate(180deg);
    color: var(--cyan-vivid);
}
.custom-dropdown-options {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: var(--surface-color);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-xl);
    list-style: none;
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 250px;
    overflow-y: auto;
}
.custom-dropdown-options::-webkit-scrollbar {
    width: 6px;
}
.custom-dropdown-options::-webkit-scrollbar-track {
    background: transparent;
}
.custom-dropdown-options::-webkit-scrollbar-thumb {
    background-color: rgba(100, 116, 139, 0.4);
    border-radius: 10px;
}
.custom-dropdown-container.open .custom-dropdown-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.custom-dropdown-options li {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}
.custom-dropdown-options li:hover {
    background-color: var(--dropzone-hover);
    color: var(--cyan-vivid);
    padding-left: 1.25rem;
}
.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 1rem;
    padding: 2.5rem 1.5rem;
    text-align: center;
    background-color: var(--dropzone-bg);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.dropzone:hover,
.dropzone.dragover {
    border-color: var(--cyan-vivid);
    background-color: var(--dropzone-hover);
    transform: translateY(-2px);
}
.dropzone input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}
.dropzone-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.75rem;
    color: var(--cyan-vivid);
    transition: transform 0.3s ease;
}
.dropzone:hover .dropzone-icon {
    transform: scale(1.1) translateY(-5px);
}
.dropzone-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    font-size: 1.05rem;
    transition: color 0.3s;
}
.dropzone-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.dropzone.is-scanning {
    border-color: var(--cyan-vivid);
    background-color: var(--dropzone-hover);
    pointer-events: none;
}
.scan-line {
    display: none;
    position: absolute;
    width: 100%;
    height: 4px;
    background: var(--cyan-vivid);
    box-shadow: 0 0 15px 4px var(--cyan-vivid);
    left: 0;
    z-index: 5;
}
.dropzone.is-scanning .scan-line {
    display: block;
    animation: scanSweep 2s infinite ease-in-out alternate;
}
.progress-container {
    width: 100%;
    margin-top: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    animation: popIn 0.3s ease-out;
}
.progress-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.progress-bar-bg {
    width: 100%;
    height: 6px;
    background-color: var(--border-color);
    border-radius: 999px;
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    background-color: var(--cyan-vivid);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 999px;
}
.btn-submit {
    width: 100%;
    padding: 0.85rem 1.5rem;
    background: var(--navbar-btn-gradient);
    color: #ffffff;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    filter: drop-shadow(0 0 10px rgba(96, 165, 250, 0.3));
}
.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    filter: drop-shadow(0 12px 18px rgba(147, 51, 234, 0.5));
}
.btn-submit:active:not(:disabled) {
    transform: translateY(1px);
}
@keyframes gradient-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.btn-submit:disabled {
    cursor: not-allowed;
    background: var(--navbar-btn-gradient);
    background-size: 200% 200%;
    animation: gradient-move 3s ease infinite;
    filter: none;
    opacity: 0.7;
}
.result-card {
    background-color: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 1.25rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    width: 100%;
    opacity: 0;
    animation: slideInRight 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.result-card-header {
    padding: 1.25rem 1.5rem 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    flex-wrap: wrap;
    gap: 1rem;
}
.result-filename {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    word-break: break-all;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.8rem;
    border-radius: 2rem;
    font-weight: 700;
    font-size: 0.8rem;
    border: 2px solid transparent;
    gap: 0.4rem;
}
.status-badge svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}
.status-genuine {
    background-color: var(--success-bg);
    color: var(--success-text);
    border-color: var(--success-border);
}
.status-fake {
    background-color: var(--error-bg);
    color: var(--error-text);
    border-color: var(--error-border);
}
.data-grid {
    display: flex;
    flex-direction: column;
    padding: 1rem 1.5rem 1.5rem 1.5rem;
}
.data-row {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 0;
    border-bottom: 1px dashed var(--border-color);
}
.data-row:first-child {
    padding-top: 0;
}
.data-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.data-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    color: var(--text-secondary);
    margin-right: 1.5rem;
    flex-shrink: 0;
}
.data-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-word;
    text-align: right;
}
.link-container {
    display: flex;
    flex-direction: column;
    margin-top: 0.85rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--border-color);
}
.link-wrapper {
    display: flex;
    align-items: center;
    background: var(--copy-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.4rem 0.4rem 0.4rem 0.85rem;
    margin-top: 0.5rem;
    gap: 0.75rem;
}
.link-text {
    flex: 1;
    font-size: 0.85rem;
    color: var(--primary-color);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: monospace;
}
.link-text.clickable:hover {
    text-decoration: underline;
}
.action-buttons {
    display: flex;
    gap: 0.5rem;
}
.copy-btn,
.visit-btn {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    text-decoration: none;
}
.copy-btn:hover,
.visit-btn:hover {
    background: var(--border-color);
}
.copy-btn svg,
.visit-btn svg {
    width: 14px;
    height: 14px;
}
.batch-table-wrapper {
    width: 100%;
    max-height: 550px;
    overflow-y: auto;
    overflow-x: auto;
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 1.25rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    scrollbar-width: thin;
    scrollbar-color: rgba(100, 116, 139, 0.4) transparent;
}
.batch-table-wrapper::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
.batch-table-wrapper::-webkit-scrollbar-track {
    background: transparent;
}
.batch-table-wrapper::-webkit-scrollbar-thumb {
    background-color: rgba(100, 116, 139, 0.4);
    border-radius: 10px;
}
.batch-table-wrapper::-webkit-scrollbar-thumb:hover {
    background-color: rgba(100, 116, 139, 0.7);
}
.batch-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    text-align: left;
    font-size: 0.8rem;
}
.batch-table th {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(248, 250, 252, 0.81);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.75rem 1rem;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}
[data-theme="dark"] .batch-table th {
    background: rgb(30 41 59 / 81%);
}
.batch-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
    word-break: keep-all;
    background-color: transparent;
}
.batch-table tr:last-child td {
    border-bottom: none;
}
.batch-table td.filename-cell {
    font-weight: 600;
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.batch-table td.name-cell {
    white-space: nowrap;
}
.batch-table td.platform-cell {
    white-space: nowrap;
}
.batch-table td.course-cell {
    min-width: 200px;
    max-width: 500px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.status-badge-small {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    font-weight: 700;
    font-size: 0.7rem;
    border: 1px solid transparent;
    white-space: nowrap;
}
.batch-header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0 0.5rem;
    width: 100%;
}
.export-btn {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}
.export-btn:hover {
    background: var(--dropzone-hover);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}
.footer {
    width: 100%;
    margin-top: 3rem;
    padding: 2.5rem 2rem 1.5rem 2rem;
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.footer-content {
    width: 100%;
    max-width: 1200px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}
.footer-brand {
    flex: 1 1 300px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-top: 1rem;
    max-width: 350px;
}
.footer-dev {
    flex: 1 1 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    background: var(--copy-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    text-align: center;
    transition: all 0.3s ease;
}
.footer-dev:hover {
    border-color: var(--cyan-vivid);
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}
.footer-links {
    flex: 1 1 300px;
    display: flex;
    gap: 4rem;
    justify-content: flex-end;
    flex-wrap: wrap;
}
.link-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.link-group h4 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.link-group a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}
.link-group a svg {
    width: 18px;
    height: 18px;
}
.link-group a:hover {
    color: var(--cyan-vivid);
}
@keyframes borderPulseGenuine {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
        border-color: #10b981;
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
        border-color: #10b981;
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
        border-color: #10b981;
    }
}
@keyframes borderPulseFake {
    0% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
        border-color: #ef4444;
    }
    70% {
        box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
        border-color: #ef4444;
    }
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
        border-color: #ef4444;
    }
}
.border-anim-genuine {
    animation: slideInRight 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards, borderPulseGenuine 2s 0.5s infinite;
}
.border-anim-fake {
    animation: slideInRight 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards, borderPulseFake 2s 0.5s infinite;
}
.footer-bottom {
    width: 100%;
    max-width: 1200px;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px dashed var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: flex;
    justify-content: center;
    align-items: center;
}
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.2rem;
    }
    .footer-content {
        gap: 2rem;
    }
    .footer-links {
        justify-content: center;
        width: 100%;
        flex: 1 1 100%;
    }
}
@media (max-width: 850px) {
    .workspace-wrapper {
        flex-direction: column;
        align-items: center;
    }
    .hero-panel,
    .verification-panel {
        flex: 1 1 100%;
        max-width: 100%;
        text-align: center;
    }
    .hero-subtitle {
        max-width: 100%;
        margin: 0 auto;
    }
    .app-layout.mode-single .results-panel-wrapper,
    .app-layout.mode-batch .results-panel-wrapper {
        flex: 1 1 100%;
        max-width: 100%;
    }
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .footer-brand,
    .footer-dev,
    .footer-links {
        flex: none;
        width: 100%;
        justify-content: center;
        align-items: center;
    }
    .footer-brand {
        align-items: center;
    }
    .footer-links {
        justify-content: center;
        gap: 2rem;
    }
    .app-layout {
        gap: 1.5rem;
        padding-top: 4.5rem;
    }
    .workspace-wrapper {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    .hero-panel {
        margin-top: 0;
        gap: 1rem;
    }
    .about-panel {
        padding: 1.5rem 1rem;
    }
    .footer {
        padding: 1.5rem 1rem 1rem 1rem;
        margin-top: 1.5rem;
    }
    #mobileMenuBtn {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
    }
    .nav-links {
        flex-direction: column;
        position: absolute;
        top: calc(100% + 0.5rem);
        left: 0;
        width: 100%;
        background: var(--surface-color);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid var(--border-color);
        border-radius: 1.5rem;
        box-shadow: var(--shadow-lg);
        padding: 1rem 0;
        gap: 0;
        transform: translateY(-150%);
        visibility: hidden;
        opacity: 0;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: -1;
    }
    .nav-links.mobile-open {
        transform: translateY(0);
        visibility: visible;
        opacity: 1;
    }
    .nav-link {
        padding: 1rem;
        width: 100%;
        text-align: center;
        display: block;
    }
    .nav-links li {
        width: 100%;
    }
}
@media (max-width: 480px) {
    .navbar {
        padding: 0.6rem 1rem;
        width: 95%;
        top: 0.75rem;
    }
    .nav-actions .nav-btn-gradient {
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
    }
    .navbar-brand h1 {
        font-size: 1.2rem;
    }
    .brand-icon {
        width: 22px;
        height: 22px;
    }
    .app-layout {
        padding-top: 4.5rem;
        gap: 2rem;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-subtitle {
        font-size: 0.95rem;
    }
    .about-panel {
        padding: 2rem 1.25rem;
    }
    .about-title {
        font-size: 1.8rem;
    }
    .verification-panel {
        padding: 1.5rem;
    }
    .data-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .data-label {
        margin-bottom: 0.25rem;
    }
    .data-value {
        text-align: left;
    }
    .platform-grid {
        justify-content: flex-start;
    }
    .footer {
        padding: 2rem 1rem 1.5rem 1rem;
    }
    .footer-links {
        gap: 2rem;
    }
}