/**
 * Sistema di design del plugin Tutor Custom Addon: pannelli, bottoni,
 * form, badge, icone. Tema scuro di default, coerente con lo stile
 * nativo della bacheca di Tutor LMS (dashboard studente/docente).
 * Ogni valore qui sotto è controllabile da Tutor Addon -> Aspetto:
 * i valori concreti vengono sovrascritti a runtime da TCA_Design_Settings
 * (vedi includes/class-design-settings.php), questi sono i default.
 */

:root {
	/* Colori di sfondo */
	--tca-bg-page: #14161f;
	--tca-bg-panel: #1c1f2e;
	--tca-bg-panel-header: #232637;
	--tca-bg-input: #14161f;

	/* Colori bordo, uno per ciascun tipo di sfondo */
	--tca-border-page: #232637;
	--tca-border-panel: #2a2d3d;
	--tca-border-input: #2a2d3d;
	--tca-border: #2a2d3d; /* alias retrocompatibile = border-panel */
	--tca-border-input-focus: #3e64de;
	--tca-bg-input-focus: #181b26;
	--tca-select-border-hover: #4d5166;
	--tca-select-bg-hover: #1c2030;

	/* Colori principali */
	--tca-primary: #3e64de;
	--tca-primary-dark: #2f4fb8;
	--tca-text-on-primary: #ffffff;
	--tca-text-on-button: #c7c9d9;
	--tca-date-icon-invert: 1;
	--tca-danger: #e5534b;
	--tca-success: #3fb872;
	--tca-warning: #d6a123;

	/* Colori alert (sfondo/bordo/testo, generati dal colore info scelto) */
	--tca-alert-info-bg: #1f2740;
	--tca-alert-info-border: #3e64de;
	--tca-alert-info-text: #8fa6f2;

	/* Colori testo per tipologia */
	--tca-text-heading: #f5f6fa;
	--tca-text-body: #c7c9d9;
	--tca-text-label: #9497ab;
	--tca-text-link: #6e8bf5;
	--tca-text-input: #f5f6fa;
	--tca-text-muted: #74778c;

	/* Font */
	--tca-font-family: 'Poppins', sans-serif;
	--tca-heading-size: 20px;
	--tca-heading-weight: 700;
	--tca-body-size: 15px;
	--tca-label-size: 13px;
	--tca-link-size: 14px;

	/* Spaziatura e forma */
	--tca-radius: 12px;
	--tca-radius-sm: 8px;
	--tca-button-radius: 24px;
	--tca-hover-speed: 200ms;
	--tca-panel-padding: 20px;
	--tca-section-gap: 18px;
	--tca-space-1: 4px;
	--tca-space-2: 8px;
	--tca-space-3: 12px;
	--tca-space-4: 16px;
	--tca-space-5: 24px;
}

/* ---------- Layout generale ---------- */

body .tca-editor.tca-editor {
	max-width: 900px;
	font-family: var(--tca-font-family) !important;
	color: var(--tca-text-body) !important;
	font-size: var(--tca-body-size) !important;
	background: var(--tca-bg-page) !important;
	border: 1px solid var(--tca-border-page) !important;
	padding: var(--tca-space-5);
	border-radius: var(--tca-radius);
}

body .tca-editor.tca-editor h3.tutor-fs-5 {
	color: var(--tca-text-heading) !important;
	font-family: var(--tca-font-family) !important;
	font-size: var(--tca-heading-size) !important;
	font-weight: var(--tca-heading-weight) !important;
}

.tca-section-title {
	font-family: var(--tca-font-family);
	font-size: var(--tca-heading-size);
	font-weight: var(--tca-heading-weight);
	color: var(--tca-text-heading);
	margin: 0 0 var(--tca-section-gap);
	padding-bottom: var(--tca-space-2);
	border-bottom: 1px solid var(--tca-border);
}

/* ---------- Pannelli pieghevoli ---------- */

body .tca-editor .tca-panel {
	border: 1px solid var(--tca-border) !important;
	border-radius: var(--tca-radius);
	margin-bottom: var(--tca-section-gap);
	background: var(--tca-bg-panel) !important;
	overflow: hidden;
}

.tca-panel > summary {
	list-style: none;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--tca-space-3);
	padding: var(--tca-panel-padding);
	font-family: var(--tca-font-family);
	font-weight: var(--tca-heading-weight);
	font-size: 15px;
	color: var(--tca-text-heading);
	background: transparent;
}

.tca-panel > summary::-webkit-details-marker {
	display: none;
}

.tca-panel > summary::after {
	content: "";
	width: 9px;
	height: 9px;
	border-right: 2px solid var(--tca-text-label);
	border-bottom: 2px solid var(--tca-text-label);
	transform: rotate(-45deg);
	transition: transform .15s ease;
	flex-shrink: 0;
}

.tca-panel[open] > summary::after {
	transform: rotate(45deg);
}

.tca-panel[open] > summary {
	border-bottom: 1px solid var(--tca-border);
}

.tca-panel-body {
	padding: var(--tca-panel-padding);
}

body .tca-editor .tca-panel-hint {
	color: var(--tca-text-muted) !important;
	font-size: 13px;
	margin: 0 0 var(--tca-space-4);
}

/* ---------- Form ---------- */

.tca-field {
	margin-bottom: var(--tca-space-4);
}

body .tca-editor .tca-field > label {
	display: block;
	font-family: var(--tca-font-family) !important;
	font-size: var(--tca-label-size) !important;
	font-weight: 600 !important;
	color: var(--tca-text-label) !important;
	margin-bottom: var(--tca-space-2);
}

/* Fallback generico: qualunque label dentro l'editor (anche fuori dalla
   struttura .tca-field, es. il form dati anagrafici riusato in più punti,
   o le label native di Tutor LMS come "tutor-block") vince sempre sul
   CSS nativo di Tutor LMS, che in alcuni punti usa a sua volta !important. */
body .tca-editor label,
body .tca-editor .tutor-form-group label {
	font-family: var(--tca-font-family) !important;
	color: var(--tca-text-label) !important;
	font-size: var(--tca-label-size) !important;
	font-weight: 600 !important;
}

/* Card corso (usate in "Corsi consigliati per te"): stile scuro coerente
   con la vista nativa "I miei corsi" del docente in Tutor LMS. */
.tca-course-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: var(--tca-space-4);
}

.tca-course-card-v2 {
	display: block;
	background: var(--tca-bg-panel) !important;
	border: 1px solid var(--tca-border) !important;
	border-radius: var(--tca-radius);
	overflow: hidden;
	text-decoration: none !important;
	transition: border-color .15s ease;
}

.tca-course-card-v2:hover {
	border-color: var(--tca-primary) !important;
}

.tca-course-card-v2-thumb {
	width: 100%;
	padding-top: 56%;
	background-size: cover;
	background-position: center;
	background-color: rgba(255,255,255,.04);
}

.tca-course-card-v2-body {
	padding: var(--tca-space-4);
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.tca-course-card-v2-title {
	color: var(--tca-text-heading) !important;
	font-family: var(--tca-font-family) !important;
	font-size: 16px !important;
	font-weight: 700 !important;
	line-height: 1.3;
	margin-bottom: 2px;
}

.tca-course-card-v2-meta {
	color: var(--tca-text-label) !important;
	font-size: 13px !important;
	font-family: var(--tca-font-family) !important;
}

.tca-course-card-v2-price {
	margin-top: 8px;
	padding-top: 10px;
	border-top: 1px solid var(--tca-border);
	font-family: var(--tca-font-family);
}

.tca-course-card-v2-price span {
	color: var(--tca-text-heading) !important;
	font-weight: 700 !important;
	font-size: 15px !important;
}

.tca-course-card-v2-price del {
	color: var(--tca-text-muted) !important;
	font-weight: 400 !important;
	font-size: 13px !important;
	margin-left: 6px;
}

/* Testo generico (paragrafi, span, div) dentro l'editor: eredita sempre
   dal nostro sistema invece che dai colori di default di Tutor LMS.
   ESCLUSE le card corso native (.tca-course-card): sono contenuto Tutor
   LMS a sé, con propri colori calibrati — ereditare da qui le renderebbe
   illeggibili. */
.tca-editor p:not(.tca-course-card-v2 *),
.tca-editor span:not(.tca-icon):not(.tca-tag *):not(.tca-course-card-v2 *),
.tca-editor strong:not(.tca-course-card-v2 *) {
	color: inherit;
}

/* Valore in evidenza (es. ID studente, importo quota): usa il colore dei
   titoli invece del testo normale. Usare al posto di style inline, che
   rischia di perdere contro le regole !important native di Tutor LMS. */
body .tca-editor.tca-editor .tca-value {
	margin: 0;
	color: var(--tca-text-heading) !important;
	font-weight: 600 !important;
	font-family: var(--tca-font-family) !important;
}

.tca-field-hint {
	color: var(--tca-text-muted);
	font-size: 12px;
	margin: var(--tca-space-1) 0 0;
}

.tca-row {
	display: flex;
	gap: var(--tca-space-4);
	flex-wrap: wrap;
}

.tca-row > .tca-field {
	flex: 1;
	min-width: 180px;
}

body .tca-editor input[type="text"],
body .tca-editor input[type="password"],
body .tca-editor input[type="email"],
body .tca-editor input[type="url"],
body .tca-editor input[type="number"],
body .tca-editor input[type="date"],
body .tca-editor input[type="time"],
body .tca-editor input[type="file"],
body .tca-editor select,
body .tca-editor textarea {
	width: 100%;
	box-sizing: border-box;
	border: 1px solid var(--tca-border-input) !important;
	border-radius: var(--tca-radius-sm);
	padding: 10px 12px;
	font-family: var(--tca-font-family) !important;
	font-size: 14px;
	background-color: var(--tca-bg-input) !important;
	color: var(--tca-text-input) !important;
}

.tca-editor input,
.tca-editor select,
.tca-editor textarea {
	transition: border-color var(--tca-hover-speed) ease, background-color var(--tca-hover-speed) ease;
}

body .tca-editor input:focus,
body .tca-editor select:focus,
body .tca-editor textarea:focus {
	outline: none;
	border-color: var(--tca-border-input-focus) !important;
	background-color: var(--tca-bg-input-focus) !important;
}

body .tca-editor select:hover {
	border-color: var(--tca-select-border-hover) !important;
	background-color: var(--tca-select-bg-hover) !important;
}

.tca-editor input:valid,
.tca-editor input:invalid,
.tca-editor select:valid,
.tca-editor select:invalid,
.tca-editor textarea:valid,
.tca-editor textarea:invalid {
	outline: none;
	box-shadow: none;
}

.tca-editor input[type="date"]::-webkit-calendar-picker-indicator,
.tca-editor input[type="time"]::-webkit-calendar-picker-indicator {
	filter: invert(var(--tca-date-icon-invert));
	cursor: pointer;
}

.tca-editor textarea {
	resize: vertical;
}

body .tca-editor select {
	appearance: none !important;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239497ab' stroke-width='1.5' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E") !important;
	background-repeat: no-repeat !important;
	background-position: right 12px center !important;
	padding-right: 32px !important;
}

/* ---------- Menu a tendina "chiuso" con caselle multiple ---------- */

.tca-editor .tca-multiselect {
	position: relative;
}

.tca-editor .tca-multiselect-trigger {
	width: 100%;
	box-sizing: border-box;
	display: block;
	text-align: left;
	border: 1px solid var(--tca-border-input) !important;
	border-radius: var(--tca-radius-sm);
	padding: 10px 32px 10px 12px;
	font-family: var(--tca-font-family) !important;
	font-size: 14px;
	background-color: var(--tca-bg-input) !important;
	color: var(--tca-text-input) !important;
	cursor: pointer;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239497ab' stroke-width='1.5' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 12px center;
	transition: border-color var(--tca-hover-speed) ease, background-color var(--tca-hover-speed) ease;
}

.tca-editor .tca-multiselect-trigger:hover {
	border-color: var(--tca-select-border-hover) !important;
	background-color: var(--tca-select-bg-hover) !important;
}

.tca-editor .tca-multiselect.tca-open .tca-multiselect-trigger {
	border-color: var(--tca-border-input-focus) !important;
	background-color: var(--tca-bg-input-focus) !important;
}

.tca-editor .tca-multiselect-trigger-label {
	display: block;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.tca-editor .tca-multiselect-panel {
	display: none;
	position: absolute;
	top: calc(100% + 4px);
	left: 0;
	right: 0;
	z-index: 20;
	max-height: 220px;
	overflow-y: auto;
	border: 1px solid var(--tca-border-input) !important;
	border-radius: var(--tca-radius-sm);
	background-color: var(--tca-bg-panel) !important;
	box-shadow: 0 10px 24px rgba(0,0,0,.18);
	padding: 6px;
}

.tca-editor .tca-multiselect.tca-open .tca-multiselect-panel {
	display: block;
}

.tca-editor .tca-multiselect-option {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 8px 10px;
	border-radius: var(--tca-radius-sm);
	font-size: 14px;
	color: var(--tca-text-body) !important;
	cursor: pointer;
}

.tca-editor .tca-multiselect-option:hover {
	background-color: var(--tca-select-bg-hover) !important;
}

.tca-editor .tca-multiselect-option input[type="checkbox"] {
	width: auto !important;
	margin: 0;
}

.tca-checkbox-label {
	display: flex;
	align-items: center;
	gap: var(--tca-space-2);
	font-family: var(--tca-font-family);
	font-size: var(--tca-body-size);
	color: var(--tca-text-body);
	font-weight: 400;
	margin-bottom: var(--tca-space-3);
	cursor: pointer;
}

/* ---------- Bottoni ---------- */

.tca-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 10px 20px;
	border-radius: var(--tca-button-radius) !important;
	font-family: var(--tca-font-family) !important;
	font-size: 14px;
	font-weight: 600;
	text-decoration: none !important;
	border: 1px solid var(--tca-border) !important;
	background: transparent !important;
	color: var(--tca-text-on-button) !important;
	cursor: pointer;
	line-height: 1.3;
}

.tca-btn:hover {
	border-color: var(--tca-primary) !important;
	color: var(--tca-text-heading) !important;
}

.tca-btn-primary {
	background: var(--tca-primary) !important;
	color: var(--tca-text-on-primary) !important;
	border-color: var(--tca-primary) !important;
}

.tca-btn-primary:hover {
	background: var(--tca-primary-dark) !important;
	border-color: var(--tca-primary-dark) !important;
	color: var(--tca-text-on-primary) !important;
}

.tca-btn-danger {
	border-color: var(--tca-danger) !important;
	color: var(--tca-danger) !important;
	background: transparent !important;
}

.tca-btn-danger:hover {
	background: color-mix(in srgb, var(--tca-danger) 12%, transparent) !important;
	color: var(--tca-danger) !important;
}

.tca-btn-sm {
	padding: 6px 14px;
	font-size: 13px;
}

.tca-link-action {
	font-family: var(--tca-font-family);
	font-size: var(--tca-link-size);
	color: var(--tca-text-link);
	text-decoration: none;
	display: inline-flex;
	align-items: center;
	gap: 4px;
}

.tca-link-action:hover {
	text-decoration: underline;
	color: var(--tca-text-heading);
}

.tca-link-action.is-danger {
	color: var(--tca-danger);
}

/* ---------- Alert ---------- */

.tca-alert {
	padding: 12px 16px;
	border-radius: var(--tca-radius-sm);
	font-size: 14px;
	margin-bottom: var(--tca-space-4);
	border: 1px solid transparent;
}

.tca-alert-success { background: color-mix(in srgb, var(--tca-success) 12%, transparent); border-color: color-mix(in srgb, var(--tca-success) 35%, transparent); color: var(--tca-success); }
.tca-alert-info    { background: var(--tca-alert-info-bg); border-color: var(--tca-alert-info-border); color: var(--tca-alert-info-text); }
.tca-alert-warning { background: color-mix(in srgb, var(--tca-warning) 12%, transparent); border-color: color-mix(in srgb, var(--tca-warning) 35%, transparent); color: var(--tca-warning); }
.tca-alert-danger  { background: color-mix(in srgb, var(--tca-danger) 12%, transparent); border-color: color-mix(in srgb, var(--tca-danger) 35%, transparent); color: var(--tca-danger); }

/* ---------- Curriculum: argomenti e lezioni ---------- */

.tca-topic {
	border: 1px solid var(--tca-border);
	border-radius: var(--tca-radius);
	margin-bottom: var(--tca-space-3);
	overflow: hidden;
	background: var(--tca-bg-panel);
}

.tca-topic-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--tca-space-3);
	padding: var(--tca-space-3) var(--tca-space-4);
	background: rgba(255,255,255,.02);
	font-family: var(--tca-font-family);
	font-weight: 600;
	color: var(--tca-text-heading);
}

.tca-topic-actions {
	display: flex;
	gap: var(--tca-space-3);
	align-items: center;
}

.tca-lesson-list {
	padding: var(--tca-space-2) var(--tca-space-4) var(--tca-space-3);
}

.tca-lesson {
	border-left: 3px solid var(--tca-primary);
	padding: var(--tca-space-3) var(--tca-space-4);
	margin-top: var(--tca-space-2);
	background: rgba(255,255,255,.02);
	border-radius: 0 var(--tca-radius-sm) var(--tca-radius-sm) 0;
}

.tca-lesson-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--tca-space-3);
	flex-wrap: wrap;
}

.tca-lesson-title {
	display: flex;
	align-items: center;
	gap: var(--tca-space-2);
	font-size: var(--tca-body-size);
	color: var(--tca-text-body);
}

.tca-lesson-actions {
	display: flex;
	gap: var(--tca-space-3);
	flex-wrap: wrap;
}

.tca-inline-form {
	margin-top: var(--tca-space-3);
	padding: var(--tca-space-4);
	background: rgba(255,255,255,.03);
	border-radius: var(--tca-radius-sm);
	max-width: 460px;
}

.tca-attachment-list {
	list-style: none;
	margin: var(--tca-space-2) 0;
	padding: 0;
	font-size: 13px;
	color: var(--tca-text-body);
}

.tca-attachment-list li {
	display: flex;
	align-items: center;
	gap: var(--tca-space-2);
	padding: 4px 0;
}

.tca-attachment-list a,
.tca-video-embed + p a {
	color: var(--tca-text-link);
}

/* ---------- Icone inline ---------- */

.tca-icon {
	display: inline-flex;
	width: 16px;
	height: 16px;
	flex-shrink: 0;
	vertical-align: middle;
	color: var(--tca-text-label);
}

.tca-icon svg {
	width: 100%;
	height: 100%;
	fill: none;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.tca-tag {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	font-size: 11px;
	font-weight: 600;
	padding: 3px 12px;
	border-radius: 20px;
	background: color-mix(in srgb, var(--tca-primary) 15%, transparent);
	color: var(--tca-text-link);
}

/* ---------- Video embed ---------- */

.tca-video-embed {
	position: relative;
	width: 100%;
	padding-top: 56.25%;
	border-radius: var(--tca-radius-sm);
	overflow: hidden;
	background: #000;
}

.tca-video-embed iframe {
	position: absolute;
	top: 0; left: 0;
	width: 100%; height: 100%;
	border: 0;
}

/* ---------- Presenze ---------- */

.tca-attendance-list {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: var(--tca-space-2) var(--tca-space-4);
	margin-bottom: var(--tca-space-4);
}

/* ---------- Toolbar (selettore corso + crea nuovo, tab-pillola) ---------- */

.tca-toolbar {
	display: flex;
	gap: var(--tca-space-4);
	align-items: flex-end;
	flex-wrap: wrap;
	margin-bottom: var(--tca-section-gap);
}

.tca-toolbar .tca-field {
	margin-bottom: 0;
	min-width: 260px;
}

@media (max-width: 600px) {
	.tca-row, .tca-toolbar {
		flex-direction: column;
		align-items: stretch;
	}
}