/* ============ Fluent Design Theme ============ */

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Segoe UI Web (Regular)', 'Roboto', sans-serif;
    background-color: var(--bg-primary, #ffffff);
    color: var(--text-primary, #323130);
    transition: background-color 0.2s ease, color 0.2s ease;
}

a, .btn-link {
    color: var(--brand-color, #0078d4);
    transition: color 0.15s ease;
}

a:hover, .btn-link:hover {
    color: var(--brand-hover, #106ebe);
}

/* ============ Buttons ============ */

.btn-primary {
    color: #fff;
    background-color: var(--brand-color, #0078d4);
    border-color: var(--brand-color, #0078d4);
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
    background-color: var(--brand-hover, #106ebe);
    border-color: var(--brand-hover, #106ebe);
}

.btn-primary:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem #ffffff, 0 0 0 0.25rem var(--brand-focus, #258cfb);
}

.btn-primary:disabled {
    background-color: var(--text-muted, #8a8886);
    border-color: var(--text-muted, #8a8886);
    opacity: 0.65;
}

.btn-success {
    background-color: var(--success, #107c10);
    border-color: var(--success, #107c10);
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.15s ease;
}

.btn-success:hover {
    background-color: #1a9c1a;
    border-color: #1a9c1a;
}

/* ============ Cards ============ */

.card {
    border: 1px solid var(--border, #e1dfdd);
    border-radius: 8px;
    box-shadow: var(--card-shadow, 0 1px 3px rgba(0, 0, 0, 0.08));
    transition: box-shadow 0.2s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--card-hover-shadow, 0 2px 6px rgba(0, 0, 0, 0.12));
}

.card-body {
    padding: 1.5rem;
}

/* ============ Alerts ============ */

.alert {
    border-radius: 8px;
    border-width: 1px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.alert-success {
    background-color: var(--success-bg, #dff6dd);
    color: var(--success, #107c10);
    border-color: rgba(16, 124, 16, 0.2);
}

.alert-info {
    background-color: var(--info-bg, #eff6fc);
    color: var(--info, #0078d4);
    border-color: rgba(0, 120, 212, 0.2);
}

.alert-warning {
    background-color: var(--warning-bg, #fff4ce);
    color: var(--warning, #d83b01);
    border-color: rgba(216, 59, 1, 0.2);
}

.alert-danger {
    background-color: var(--error-bg, #fde7e9);
    color: var(--error, #d13438);
    border-color: rgba(209, 52, 56, 0.2);
}

/* ============ Forms ============ */

.form-control {
    border: 1px solid var(--border, #e1dfdd);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    background-color: var(--bg-primary, #ffffff);
    color: var(--text-primary, #323130);
}

.form-control:focus {
    border-color: var(--border-focus, #0078d4);
    box-shadow: 0 0 0 0.1rem var(--brand-focus, #258cfb);
}

.form-control::placeholder {
    color: var(--text-muted, #8a8886);
}

.form-control:disabled {
    background-color: var(--bg-secondary, #f3f2f1);
    opacity: 0.65;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary, #323130);
    margin-bottom: 0.5rem;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: var(--error, #e50000);
}

/* ============ Content ============ */

.content {
    padding-top: 1.1rem;
}

h1 {
    font-weight: 600;
    color: var(--text-primary, #323130);
    margin-bottom: 0.5rem;
}

h1:focus {
    outline: none;
}

.lead {
    color: var(--text-secondary, #605e5c);
    margin-bottom: 1.5rem;
}

/* ============ Drag & Drop Upload Zone ============ */

.upload-zone {
    border: 2px dashed var(--border, #d1d1d1);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: var(--bg-secondary, #f9f9f9);
    position: relative;
    overflow: hidden;
}

.upload-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(0, 120, 212, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.upload-zone:hover {
    border-color: var(--brand-color, #0078d4);
    background-color: var(--brand-light, #eff6fc);
}

.upload-zone:hover::before {
    opacity: 1;
}

.upload-zone.drag-over {
    border-color: var(--brand-color, #0078d4);
    background-color: var(--brand-light, #eff6fc);
    transform: scale(1.01);
    box-shadow: 0 0 0 4px rgba(0, 120, 212, 0.1);
}

.upload-zone.drag-over::before {
    opacity: 1;
    background: linear-gradient(135deg, transparent 30%, rgba(0, 120, 212, 0.06) 100%);
}

.upload-icon {
    font-size: 3.5rem;
    color: var(--text-muted, #8a8886);
    margin-bottom: 1rem;
    transition: color 0.2s ease, transform 0.2s ease;
}

.upload-zone:hover .upload-icon {
    color: var(--brand-color, #0078d4);
    transform: translateY(-4px);
}

.upload-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary, #323130);
    margin-bottom: 0.25rem;
}

.upload-hint {
    font-size: 0.875rem;
    color: var(--text-muted, #8a8886);
}

.upload-browse-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1.5rem;
    background-color: var(--brand-color, #0078d4);
    color: #fff;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.15s ease;
    cursor: pointer;
}

.upload-zone:hover .upload-browse-btn {
    background-color: var(--brand-hover, #106ebe);
}

.upload-zone label.upload-browse-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1.5rem;
    background-color: var(--brand-color, #0078d4);
    color: #fff;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.15s ease;
    cursor: pointer;
}

.upload-zone:hover label.upload-browse-btn {
    background-color: var(--brand-hover, #106ebe);
}

.upload-selected {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background-color: var(--bg-secondary, #f3f2f1);
    border: 1px solid var(--border, #e1dfdd);
    border-radius: 8px;
    margin-top: 1rem;
    animation: slideIn 0.25s ease-out;
}

.upload-selected-icon {
    font-size: 1.5rem;
    color: var(--brand-color, #0078d4);
}

.upload-selected-info {
    flex: 1;
    text-align: left;
}

.upload-selected-name {
    font-weight: 600;
    color: var(--text-primary, #323130);
    font-size: 0.9rem;
}

.upload-selected-size {
    font-size: 0.8rem;
    color: var(--text-muted, #8a8886);
}

.upload-selected-remove {
    background: none;
    border: none;
    color: var(--text-muted, #8a8886);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: color 0.15s ease, background-color 0.15s ease;
    font-size: 1.1rem;
}

.upload-selected-remove:hover {
    color: var(--error, #d13438);
    background-color: var(--error-bg, #fde7e9);
}

/* ============ Status Badges ============ */

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-premium {
    background-color: var(--success-bg, #dff6dd);
    color: var(--success, #107c10);
}

.status-free {
    background-color: var(--info-bg, #eff6fc);
    color: var(--info, #0078d4);
}

/* ============ Error Boundary ============ */

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred.";
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color, #8a8886);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ============ Dark Mode ============ */

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a1a1a;
        --bg-secondary: #252526;
        --bg-shimmer: #353535;
        --text-primary: #e8e7e7;
        --text-secondary: #c8c6c4;
        --text-muted: #8a8886;
        --border: #383838;
        --border-focus: #4cc9f9;
        --brand-color: #4cc9f9;
        --brand-hover: #6dd1fa;
        --brand-light: rgba(76, 201, 249, 0.08);
        --brand-focus: #4cc9f9;
        --success: #4ecf6d;
        --success-bg: rgba(78, 207, 109, 0.12);
        --warning: #ffaa44;
        --warning-bg: rgba(255, 170, 68, 0.12);
        --error: #f25050;
        --error-bg: rgba(242, 80, 80, 0.12);
        --info: #4cc9f9;
        --info-bg: rgba(76, 201, 249, 0.12);
        --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
        --card-hover-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    }

    body {
        background-color: var(--bg-primary) !important;
        color: var(--text-primary) !important;
    }

    .card {
        background-color: var(--bg-secondary) !important;
        border-color: var(--border) !important;
    }

    .card-body {
        background-color: var(--bg-secondary) !important;
        color: var(--text-primary) !important;
    }

    .form-control {
        background-color: var(--bg-secondary) !important;
        border-color: var(--border) !important;
        color: var(--text-primary) !important;
    }

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

    .form-control:disabled {
        background-color: var(--bg-primary) !important;
    }

    .form-label {
        color: var(--text-primary) !important;
    }

    .upload-zone {
        background-color: var(--bg-secondary) !important;
        border-color: var(--border) !important;
    }

    .upload-zone:hover {
        background-color: var(--brand-light) !important;
        border-color: var(--brand-color) !important;
    }

    .upload-zone.drag-over {
        background-color: var(--brand-light) !important;
        border-color: var(--brand-color) !important;
    }

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

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

    .upload-selected {
        background-color: var(--bg-secondary) !important;
        border-color: var(--border) !important;
    }

    .upload-selected-name {
        color: var(--text-primary) !important;
    }

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

    h1 {
        color: var(--text-primary) !important;
    }

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

/* ====== Utility Classes ====

.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}