:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --accent-color: #38bdf8;
    --accent-hover: #0ea5e9;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --success: #10b981;
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Decorations */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    filter: blur(80px);
    opacity: 0.4;
}

.blob {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
}

.blob-1 {
    background: #0ea5e9;
    top: -100px;
    right: -100px;
    animation: move 20s infinite alternate;
}

.blob-2 {
    background: #6366f1;
    bottom: -100px;
    left: -100px;
    animation: move 25s infinite alternate-reverse;
}

@keyframes move {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(100px, 100px);
    }
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 50px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo .icon {
    font-size: 2.5rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

h1 span {
    color: var(--accent-color);
}

.subtitle {
    color: var(--text-secondary);
    font-weight: 400;
}

/* Upload Zone */
.upload-section {
    margin-bottom: 40px;
}

.drop-zone {
    background: var(--card-bg);
    border: 2px dashed var(--border-color);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--glass-shadow);
    position: relative;
    overflow: hidden;
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--accent-color);
    background: rgba(56, 189, 248, 0.05);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.primary-text {
    font-size: 1.25rem;
    font-weight: 600;
}

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

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* Preview & Buttons */
.preview-container {
    margin-top: 30px;
    text-align: center;
    animation: fadeIn 0.4s ease-out;
}

#image-preview {
    max-width: 100%;
    max-height: 400px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
}

.btn {
    padding: 12px 28px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    margin: 0 5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #0ea5e9);
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Loader */
.loader {
    margin-top: 30px;
    text-align: center;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

/* Results Card */
.card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--border-color);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.badge {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.results-section {
    animation: slideUp 0.5s ease-out;
}

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

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

/* Table */
.table-container {
    overflow-x: auto;
}

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

th {
    text-align: left;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 16px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

td:first-child {
    font-weight: 800;
    color: var(--accent-color);
}

td:last-child {
    font-weight: 600;
    font-family: monospace;
    font-size: 1.1rem;
}

/* Status Highlighting */
tr.status-missing {
    background: rgba(239, 68, 68, 0.1);
}

tr.status-missing td:first-child {
    color: #ef4444;
}

tr.status-missing td:last-child {
    color: #ef4444;
    font-style: italic;
    opacity: 0.7;
}

tr.status-unsure {
    background: rgba(245, 158, 11, 0.1);
}

tr.status-unsure td:first-child {
    color: #f59e0b;
}

tr.status-unsure td:last-child {
    color: #f59e0b;
}

footer {
    margin-top: 60px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hidden {
    display: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 20px;
    }

    h1 {
        font-size: 2rem;
    }

    .drop-zone {
        padding: 40px 20px;
    }
}