/**
 * SantaMusica DMC (Discover Music Catalog) - Stili pagina dedicata
 * 
 * Riusa le variabili CSS di santamusica-catalog.css per coerenza dark/light mode.
 * I risultati riusano .sm-tracks-list / .sm-track-row del catalogo principale.
 *
 * @package SantaMusica
 * @since 3.9.281
 */

/* ============================================================================
   CONTAINER & STATES
   ============================================================================ */

.sm-dmc-container {
    /* Quando il DMC è dentro .sm-content-area (con sidebar), il content-area
       si occupa già del max-width e del padding. Qui aggiungiamo solo
       eventuali aggiustamenti propri. */
    color: var(--sm-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

.sm-dmc-state {
    animation: sm-dmc-fade-in 0.25s ease-out;
}

.sm-dmc-state[hidden] {
    display: none !important;
}

@keyframes sm-dmc-fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================================
   STATE 1: FORM
   ============================================================================ */

.sm-dmc-state-form {
    background: var(--sm-bg-card);
    border-radius: var(--sm-radius-lg);
    padding: 40px;
    box-shadow: var(--sm-card-shadow);
    border: 1px solid var(--sm-border);
}

.sm-dmc-form-header {
    text-align: center;
    margin-bottom: 32px;
}

.sm-dmc-form-header h2 {
    font-size: 26px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--sm-text);
}

.sm-dmc-form-header p {
    font-size: 14px;
    color: var(--sm-text-secondary);
    margin: 0;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

/* Tabs Link / File */

.sm-dmc-form-tabs {
    display: flex;
    gap: 4px;
    background: var(--sm-bg-darker);
    padding: 4px;
    border-radius: var(--sm-radius-lg);
    margin: 0 auto 24px;
    width: fit-content;
    border: 1px solid var(--sm-border);
}

.sm-dmc-tab {
    background: transparent;
    border: 0;
    padding: 9px 22px;
    font-size: 14px;
    font-weight: 500;
    color: var(--sm-text-secondary);
    cursor: pointer;
    border-radius: var(--sm-radius);
    transition: var(--sm-transition);
    font-family: inherit;
}

.sm-dmc-tab:hover {
    color: var(--sm-text);
}

.sm-dmc-tab.active {
    background: var(--sm-primary);
    color: #1a1a1a;
}

/* Tab content */

.sm-dmc-form-body {
    margin-bottom: 24px;
}

.sm-dmc-tab-content {
    display: none;
}

.sm-dmc-tab-content.active {
    display: block;
}

/* URL input */

.sm-dmc-tab-content[data-tab-content="link"] {
    display: none;
    gap: 12px;
}

.sm-dmc-tab-content[data-tab-content="link"].active {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

.sm-dmc-url-input {
    flex: 1 1 380px;
    min-width: 0;
    padding: 14px 18px;
    font-size: 15px;
    background: var(--sm-input-bg);
    border: 1px solid var(--sm-input-border);
    border-radius: var(--sm-radius);
    color: var(--sm-text);
    outline: none;
    transition: var(--sm-transition);
    font-family: inherit;
}

.sm-dmc-url-input::placeholder {
    color: var(--sm-text-muted);
}

.sm-dmc-url-input:focus {
    border-color: var(--sm-primary);
    box-shadow: 0 0 0 2px rgba(245, 197, 24, 0.15);
}

/* Dropzone */

.sm-dmc-dropzone {
    border: 2px dashed var(--sm-border);
    border-radius: var(--sm-radius-lg);
    padding: 44px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--sm-transition);
    background: var(--sm-bg-darker);
}

.sm-dmc-dropzone:hover,
.sm-dmc-dropzone.dragover {
    border-color: var(--sm-primary);
    background: var(--sm-bg-hover);
}

.sm-dmc-dropzone.dragover {
    transform: scale(1.005);
}

.sm-dmc-dropzone-icon {
    color: var(--sm-text-muted);
    margin-bottom: 14px;
    transition: var(--sm-transition);
}

.sm-dmc-dropzone:hover .sm-dmc-dropzone-icon,
.sm-dmc-dropzone.dragover .sm-dmc-dropzone-icon {
    color: var(--sm-primary);
}

.sm-dmc-dropzone-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sm-dmc-dropzone-text strong {
    font-size: 16px;
    color: var(--sm-text);
}

.sm-dmc-dropzone-text span {
    font-size: 13px;
    color: var(--sm-text-secondary);
}

.sm-dmc-dropzone-text small {
    font-size: 11px;
    color: var(--sm-text-muted);
    margin-top: 6px;
    letter-spacing: 0.3px;
}

/* Buttons (shared) */

.sm-dmc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    font-size: 14px;
    font-weight: 600;
    border: 0;
    border-radius: var(--sm-radius);
    cursor: pointer;
    font-family: inherit;
    transition: var(--sm-transition);
    white-space: nowrap;
}

.sm-dmc-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.sm-dmc-btn-primary {
    background: var(--sm-primary);
    color: #1a1a1a;
}

.sm-dmc-btn-primary:hover:not(:disabled) {
    background: var(--sm-primary-hover);
}

.sm-dmc-btn-secondary {
    background: var(--sm-bg-hover);
    color: var(--sm-text);
    border: 1px solid var(--sm-border);
}

.sm-dmc-btn-secondary:hover:not(:disabled) {
    background: var(--sm-bg-card);
    border-color: var(--sm-text-muted);
}

/* Platforms label */

.sm-dmc-platforms {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    justify-content: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--sm-border);
    font-size: 12px;
    color: var(--sm-text-muted);
}

.sm-dmc-platforms > span:first-child {
    color: var(--sm-text-secondary);
    font-weight: 500;
}

.sm-dmc-platform {
    background: var(--sm-bg-darker);
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid var(--sm-border);
    font-size: 11px;
    letter-spacing: 0.2px;
}

/* Form error */

.sm-dmc-error-msg {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--sm-danger);
    color: var(--sm-danger);
    padding: 12px 16px;
    border-radius: var(--sm-radius);
    font-size: 13px;
    margin-top: 16px;
    line-height: 1.4;
}

/* ============================================================================
   STATE 2: LOADER (used twice: extract + search)
   ============================================================================ */

.sm-dmc-state-loader {
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sm-dmc-state-loader[hidden] {
    display: none !important;
}

.sm-dmc-loader-content {
    text-align: center;
    max-width: 480px;
    padding: 40px 20px;
}

.sm-dmc-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--sm-border);
    border-top-color: var(--sm-primary);
    border-radius: 50%;
    margin: 0 auto 24px;
    animation: sm-dmc-spin 0.85s linear infinite;
}

.sm-dmc-spinner-sm {
    width: 28px;
    height: 28px;
    border-width: 3px;
    margin: 0 auto 10px;
}

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

.sm-dmc-loader-title {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 10px;
    color: var(--sm-text);
}

.sm-dmc-loader-subtitle {
    font-size: 14px;
    color: var(--sm-text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* ============================================================================
   STATE 3: MODAL SEGMENT
   ============================================================================ */

.sm-dmc-state-modal {
    /* Modal renders as overlay over the page */
}

.sm-dmc-modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--sm-overlay-bg);
    backdrop-filter: blur(4px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: sm-dmc-fade-in 0.2s ease-out;
}

.sm-dmc-modal-card {
    background: var(--sm-bg-card);
    border-radius: var(--sm-radius-lg);
    box-shadow: var(--sm-card-shadow);
    border: 1px solid var(--sm-border);
    width: 100%;
    max-width: 760px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Modal header */

.sm-dmc-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--sm-border);
}

.sm-dmc-modal-title-wrap {
    flex: 1;
    min-width: 0;
}

.sm-dmc-modal-title-wrap h3 {
    font-size: 13px;
    font-weight: 500;
    color: var(--sm-text-muted);
    margin: 0 0 6px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.sm-dmc-modal-source {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    color: var(--sm-text);
}

.sm-dmc-modal-source-icon {
    flex-shrink: 0;
    color: var(--sm-primary);
    display: inline-flex;
    align-items: center;
    font-size: 20px;
}

.sm-dmc-modal-source-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.sm-dmc-modal-close {
    background: transparent;
    border: 0;
    color: var(--sm-text-secondary);
    font-size: 28px;
    line-height: 1;
    padding: 0 4px;
    cursor: pointer;
    transition: var(--sm-transition);
    font-family: inherit;
}

.sm-dmc-modal-close:hover {
    color: var(--sm-text);
}

/* Modal body */

.sm-dmc-modal-body {
    padding: 24px;
    flex: 1;
    overflow-y: auto;
}

/* Waveform */

.sm-dmc-waveform-wrap {
    position: relative;
    background: var(--sm-bg-darker);
    border-radius: var(--sm-radius);
    padding: 18px;
    border: 1px solid var(--sm-border);
    margin-bottom: 14px;
}

.sm-dmc-waveform {
    width: 100%;
    min-height: 120px;
}

.sm-dmc-waveform-overlay {
    position: absolute;
    inset: 0;
    background: var(--sm-bg-darker);
    border-radius: var(--sm-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--sm-text-secondary);
    font-size: 13px;
    z-index: 2;
}

/* Time row */

.sm-dmc-time-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    color: var(--sm-text-secondary);
    padding: 0 6px;
    margin-bottom: 18px;
}

.sm-dmc-time-region {
    color: var(--sm-primary);
    font-weight: 600;
    flex: 1;
    text-align: center;
}

/* Modal controls */

.sm-dmc-modal-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px 0 4px;
}

.sm-dmc-btn-icon {
    width: 42px;
    height: 42px;
    background: var(--sm-bg-hover);
    border: 1px solid var(--sm-border);
    color: var(--sm-text);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--sm-transition);
    flex-shrink: 0;
    padding: 0;
}

.sm-dmc-btn-icon:hover:not(:disabled) {
    background: var(--sm-primary);
    color: #1a1a1a;
    border-color: var(--sm-primary);
}

.sm-dmc-btn-icon:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Toggles */

.sm-dmc-modal-toggles {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    margin-left: auto;
}

.sm-dmc-modal-toggles label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--sm-text-secondary);
    cursor: pointer;
    user-select: none;
}

.sm-dmc-modal-toggles input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--sm-primary);
    cursor: pointer;
    margin: 0;
}

.sm-dmc-modal-toggles label:hover span {
    color: var(--sm-text);
}

/* Modal footer */

.sm-dmc-modal-footer {
    display: flex;
    gap: 12px;
    padding: 18px 24px;
    border-top: 1px solid var(--sm-border);
    background: var(--sm-bg-darker);
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* Wavesurfer region styling override (adattamento alla palette SM) */

.sm-dmc-waveform ::part(region) {
    background: rgba(245, 197, 24, 0.18) !important;
    border-left: 2px solid var(--sm-primary) !important;
    border-right: 2px solid var(--sm-primary) !important;
}

/* ============================================================================
   STATE 4: RESULTS
   ============================================================================ */

.sm-dmc-results-header {
    margin-bottom: 24px;
}

.sm-dmc-btn-back {
    background: transparent;
    border: 1px solid var(--sm-border);
    color: var(--sm-text);
    padding: 9px 16px;
    border-radius: var(--sm-radius);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--sm-transition);
    font-family: inherit;
}

.sm-dmc-btn-back:hover {
    background: var(--sm-bg-hover);
    border-color: var(--sm-text-muted);
}

.sm-dmc-section {
    margin-bottom: 36px;
}

.sm-dmc-section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--sm-text);
    margin: 0 0 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--sm-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sm-dmc-count {
    font-size: 13px;
    color: var(--sm-text-muted);
    font-weight: 400;
}

/* Reference card (Brano di riferimento) */

.sm-dmc-reference-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 18px;
    background: var(--sm-bg-card);
    border: 1px solid var(--sm-border);
    border-radius: var(--sm-radius);
    box-shadow: var(--sm-shadow);
}

.sm-dmc-reference-icon {
    width: var(--sm-cover-size, 45px);
    height: var(--sm-cover-size, 45px);
    background: var(--sm-bg-darker);
    border-radius: var(--sm-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sm-primary);
    font-size: 22px;
    flex-shrink: 0;
}

.sm-dmc-reference-info {
    flex: 1;
    min-width: 0;
}

.sm-dmc-reference-label {
    font-size: var(--sm-font-title, 14px);
    font-weight: 500;
    color: var(--sm-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 4px;
}

.sm-dmc-reference-meta {
    font-size: var(--sm-font-secondary, 12px);
    color: var(--sm-text-secondary);
}

/* Results HTML container — eredita da .sm-tracks-list/.sm-track-row del catalogo */

.sm-dmc-results-html {
    /* Niente di specifico: il rendering arriva da render_tracks_output()
       che usa già .sm-tracks-list e .sm-track-row con tutti gli stili del catalogo */
}

.sm-dmc-error-block {
    background: rgba(231, 76, 60, 0.08);
    border: 1px solid var(--sm-danger);
    color: var(--sm-danger);
    padding: 24px;
    border-radius: var(--sm-radius);
    text-align: center;
    font-size: 14px;
}

/* ============================================================================
   LIGHT MODE OVERRIDES
   ============================================================================ */

body.light-mode .sm-dmc-tab.active {
    color: #ffffff;
}

body.light-mode .sm-dmc-btn-primary {
    color: #ffffff;
}

body.light-mode .sm-dmc-btn-icon:hover:not(:disabled) {
    color: #ffffff;
}

body.light-mode .sm-dmc-url-input,
body.light-mode .sm-dmc-dropzone {
    background: #ffffff !important;
    color: #1a1a1a !important;
    border-color: #cccccc !important;
}

body.light-mode .sm-dmc-url-input::placeholder {
    color: #888 !important;
}

body.light-mode .sm-dmc-modal-overlay {
    background: rgba(0, 0, 0, 0.5);
}

body.light-mode .sm-dmc-modal-source-icon,
body.light-mode .sm-dmc-time-region,
body.light-mode .sm-dmc-reference-icon {
    color: var(--sm-primary);
}

body.light-mode .sm-dmc-url-input:focus {
    box-shadow: 0 0 0 2px rgba(215, 119, 146, 0.2);
}

body.light-mode .sm-dmc-waveform ::part(region) {
    background: rgba(215, 119, 146, 0.18) !important;
    border-left-color: var(--sm-primary) !important;
    border-right-color: var(--sm-primary) !important;
}

/* ============================================================================
   MOBILE RESPONSIVE
   ============================================================================ */

@media (max-width: 720px) {
    .sm-dmc-container {
        padding: 16px 12px 40px;
    }

    .sm-dmc-state-form {
        padding: 24px 18px;
    }

    .sm-dmc-form-header h2 {
        font-size: 22px;
    }

    .sm-dmc-tab-content[data-tab-content="link"].active {
        flex-direction: column;
    }

    .sm-dmc-url-input {
        flex: 1 1 auto;
    }

    .sm-dmc-modal-card {
        max-height: 95vh;
    }

    .sm-dmc-modal-header,
    .sm-dmc-modal-body,
    .sm-dmc-modal-footer {
        padding: 16px;
    }

    .sm-dmc-modal-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
    }

    .sm-dmc-modal-toggles {
        margin-left: 0;
        justify-content: flex-start;
    }

    .sm-dmc-modal-footer {
        flex-direction: column-reverse;
    }

    .sm-dmc-modal-footer .sm-dmc-btn {
        width: 100%;
    }

    .sm-dmc-time-row {
        font-size: 11px;
        flex-wrap: wrap;
        gap: 6px;
    }

    .sm-dmc-time-region {
        flex: 1 1 100%;
        order: -1;
        text-align: left;
    }

    .sm-dmc-platforms {
        font-size: 11px;
    }
}

@media (max-width: 420px) {
    .sm-dmc-modal-toggles {
        flex-direction: column;
        gap: 10px;
    }
}