/* ============================================
   Admin Modal Styles — Add & Edit Video Lesson
   ============================================ */

/* --- Overlay --- */
.quacvist-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* --- Modal Container --- */
.quacvist-modal-content {
    background: #ffffff;
    width: 100%;
    max-width: 520px;
    border-radius: 16px;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.03),
        0 24px 48px -12px rgba(0, 0, 0, 0.18);
    overflow: hidden;
    animation: quacvistModalIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

@keyframes quacvistModalIn {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* --- Header --- */
.quacvist-modal-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 18px 24px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.quacvist-modal-header h2 {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.quacvist-modal-header h2::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 18px;
    background: linear-gradient(180deg, #3b82f6, #6366f1);
    border-radius: 2px;
}

.quacvist-modal-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: #94a3b8;
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.15s ease;
}

.quacvist-modal-close:hover {
    background: #f1f5f9;
    color: #334155;
}

/* --- Body --- */
.quacvist-modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

/* --- Form Groups (shared) --- */
.quacvist-modal-overlay .quacvist-modal-body .quacvist-form-group {
    margin-bottom: 16px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
}

.quacvist-modal-overlay .quacvist-modal-body label {
    font-weight: 600 !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
    float: none !important;
    width: 100% !important;
    color: #1e293b !important;
    font-size: 13px !important;
    letter-spacing: 0.01em;
    line-height: 1.4 !important;
}

.quacvist-modal-overlay .quacvist-modal-body input[type="text"],
.quacvist-modal-overlay .quacvist-modal-body input[type="url"],
.quacvist-modal-overlay .quacvist-modal-body select,
.quacvist-modal-overlay .quacvist-modal-body textarea {
    width: 100% !important;
    max-width: 100% !important;
    border-radius: 8px !important;
    border: 1.5px solid #e2e8f0 !important;
    padding: 10px 14px !important;
    font-size: 14px !important;
    box-sizing: border-box !important;
    color: #1e293b !important;
    background: #fff !important;
    transition: all 0.15s ease !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
    display: block !important;
    float: none !important;
    margin: 0 !important;
    height: auto !important;
    min-height: 0 !important;
}

.quacvist-modal-overlay input[type="text"]:focus,
.quacvist-modal-overlay input[type="url"]:focus,
.quacvist-modal-overlay select:focus,
.quacvist-modal-overlay textarea:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

.quacvist-modal-overlay input::placeholder,
.quacvist-modal-overlay textarea::placeholder {
    color: #94a3b8;
}

.quacvist-modal-overlay .description {
    color: #64748b !important;
    font-size: 12px !important;
    margin-top: 5px !important;
    line-height: 1.4;
}

.quacvist-modal-overlay .description code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    color: #475569;
}

/* --- Footer --- */
.quacvist-modal-footer {
    padding: 14px 24px !important;
    border-top: 1px solid #e2e8f0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    display: flex !important;
    justify-content: flex-end !important;
    align-items: center !important;
    gap: 10px !important;
    width: 100% !important;
    box-sizing: border-box !important;
    flex-shrink: 0;
}

/* --- Buttons (shared) --- */
.quacvist-modal-overlay .button-primary,
.quacvist-modal-overlay .quacvist-modal-cancel {
    height: 38px !important;
    min-height: 38px !important;
    width: auto !important;
    max-width: fit-content !important;
    padding: 0 20px !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    border-radius: 8px !important;
    line-height: normal !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.15s ease !important;
    margin: 0 !important;
    border-width: 1.5px !important;
    box-sizing: border-box !important;
    flex: 0 0 auto !important;
    position: relative !important;
    cursor: pointer !important;
    letter-spacing: 0.01em !important;
}

.quacvist-modal-overlay .quacvist-modal-cancel {
    background: #fff !important;
    border: 1.5px solid #e2e8f0 !important;
    color: #475569 !important;
    box-shadow: none !important;
}

.quacvist-modal-overlay .quacvist-modal-cancel:hover {
    background: #f8fafc !important;
    color: #1e293b !important;
    border-color: #cbd5e1 !important;
}

.quacvist-modal-overlay .button-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
    border: 1.5px solid #1d4ed8 !important;
    color: #fff !important;
    box-shadow: 0 1px 3px 0 rgba(37, 99, 235, 0.2) !important;
}

.quacvist-modal-overlay .button-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%) !important;
    transform: none !important;
    box-shadow: 0 4px 12px -2px rgba(37, 99, 235, 0.35) !important;
}

/* Loading state */
.quacvist-modal-overlay .button-primary .spinner {
    position: absolute !important;
    right: 8px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    margin: 0 !important;
    visibility: hidden;
}

.quacvist-modal-overlay .button-primary.loading .quacvist-btn-text {
    padding-right: 20px !important;
    opacity: 0.8;
}

/* --- Alert Messages --- */
#quacvist-modal-msg,
#quacvist-edit-msg {
    margin: 0 0 4px;
    font-size: 13px;
    font-weight: 500;
    padding: 0;
    border-radius: 6px;
}

/* --- Video Preview (Edit modal) --- */
#quacvist-edit-video-preview {
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    background: #0f172a;
    box-shadow: 0 4px 12px -2px rgba(0, 0, 0, 0.15);
    border: 1px solid #e2e8f0;
}

#quacvist-edit-video-preview iframe {
    display: block;
}

/* --- Loader (Edit modal) --- */
#quacvist-edit-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px 20px;
    color: #64748b;
    font-size: 13px;
    font-weight: 500;
}

#quacvist-edit-loader .spinner {
    margin: 0 !important;
}

/* --- Link Loader (Add modal) --- */
#quacvist-link-loader {
    font-size: 12px;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 4px;
}

#quacvist-link-loader .spinner {
    margin: 0 !important;
}

/* --- Thumbnail Preview & Edit (Add modal) --- */
.quacvist-thumb-preview-container {
    position: relative;
    width: 100%;
    height: 220px;
    margin-bottom: 16px;
    border-radius: 10px;
    overflow: hidden;
    background: #e2e8f0;
    box-shadow: 0 4px 12px -2px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
}

#quacvist-preview-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.quacvist-thumb-preview-container:hover #quacvist-preview-thumb {
    transform: scale(1.03);
}

.quacvist-edit-thumb-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.92);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1e293b;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
    z-index: 20;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.quacvist-edit-thumb-btn:hover {
    background: #ffffff;
    color: #3b82f6;
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.quacvist-edit-thumb-btn i {
    font-size: 18px;
    width: 1.25em;
    height: 1.25em;
    line-height: 1.25em;
}

/* --- Responsive --- */
@media (max-width: 600px) {
    .quacvist-modal-content {
        max-width: calc(100% - 32px);
        border-radius: 12px;
        max-height: 85vh;
    }
    .quacvist-modal-header {
        padding: 14px 18px;
    }
    .quacvist-modal-body {
        padding: 18px;
    }
    .quacvist-modal-footer {
        padding: 12px 18px !important;
    }
}