/**
 * Instructor application form – professional UI.
 *
 * @package Instructor_Module
 */

/* ---- Design tokens ---- */
.im-instructor-application-wrap {
	--im-form-max: 640px;
	--im-form-radius: 12px;
	--im-form-radius-sm: 8px;
	--im-form-border: 1px solid #e8ecf1;
	--im-form-bg: #ffffff;
	--im-form-surface: #f8fafc;
	--im-form-surface-border: #eef2f6;
	--im-form-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
	--im-form-shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
	--im-form-shadow-lg: 0 12px 40px -12px rgba(15, 23, 42, 0.12);
	--im-form-spacing: 1rem;
	--im-form-spacing-lg: 1.5rem;
	/* Header & field rhythm */
	--pm-header-pad-x: 1.5rem;
	--pm-header-pad-y: 1.25rem;
	--im-form-pad-x: 1.5rem;
	--im-form-pad-y: 1.5rem;
	--pm-label-gap: 0.3125rem;   /* 5px label → input */
	--pm-section-gap: 1rem;      /* between section cards */
	--pm-card-pad: 1.125rem 1.25rem;
	--im-form-label: #1e293b;
	--im-form-label-muted: #64748b;
	--im-form-input-border: #d1d9e6;
	--im-form-input-focus: #2ea3f2;
	--im-form-input-focus-ring: rgba(46, 163, 242, 0.18);
	--im-accent: #2ea3f2;
	--im-accent-hover: #2190d9;
	--im-accent-subtle: #eff6ff;
	--im-error-bg: #fff5f5;
	--im-error-border: #fecaca;
	--im-error-text: #b91c1c;
	--im-error-icon-bg: #fee2e2;
	--im-success-bg: #f0fdf4;
	--im-success-border: #bbf7d0;
	--im-success-text: #166534;

	max-width: var(--im-form-max);
	margin: 2rem auto;
	padding: 0;
	background: var(--im-form-bg);
	border: var(--im-form-border);
	border-radius: var(--im-form-radius);
	box-shadow: var(--im-form-shadow-md);
	box-sizing: border-box;
	overflow: hidden;
}

@media (min-width: 600px) {
	.im-instructor-application-wrap {
		margin: 2.5rem auto;
		box-shadow: var(--im-form-shadow-lg);
		--pm-header-pad-x: 2rem;
		--pm-header-pad-y: 1.5rem;
		--im-form-pad-x: 2rem;
		--im-form-pad-y: 1.75rem;
		--pm-card-pad: 1.25rem 1.5rem;
	}
}

/* ---- Top accent bar ---- */
.im-instructor-application-wrap::before {
	content: "";
	display: block;
	height: 4px;
	background: linear-gradient(90deg, var(--im-accent) 0%, #3b82f6 50%, #60a5fa 100%);
}

/* ---- Header (compact, aligned with form body) ---- */
.im-application-header {
	margin: 0;
	padding: var(--pm-header-pad-y) var(--pm-header-pad-x);
	padding-bottom: calc(var(--pm-header-pad-y) + 0.125rem);
	border-bottom: 1px solid var(--im-form-surface-border);
	background: var(--im-form-surface);
}

.im-application-eyebrow {
	margin: 0;
	padding: 0;
	font-size: 0.6875rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--im-accent);
	line-height: 1.4;
}

.im-application-title {
	margin: 0.375rem 0 0;
	padding: 0;
	font-size: 1.5rem;
	font-weight: 700;
	line-height: 1.25;
	color: var(--im-form-label);
	letter-spacing: -0.02em;
}

@media (min-width: 600px) {
	.im-application-title {
		font-size: 1.625rem;
		margin-top: 0.5rem;
	}
}

.im-application-intro {
	margin: 0;
	font-size: 0.9375rem;
	line-height: 1.6;
	color: var(--im-form-label-muted);
	max-width: 52ch;
}

/* ---- Error / notice spacing below header ---- */
.im-instructor-application-wrap > .im-instructor-application-error,
.im-instructor-application-wrap > .im-application-notice {
	margin-top: var(--pm-section-gap);
}

/* ---- Error message ---- */
.im-instructor-application-error {
	display: flex;
	align-items: flex-start;
	gap: 0.875rem;
	margin: 0 var(--im-form-pad-x) var(--pm-section-gap);
	padding: 0.875rem 1rem;
	background: var(--im-error-bg);
	border: 1px solid var(--im-error-border);
	border-radius: var(--im-form-radius-sm);
	color: var(--im-error-text);
}

@media (min-width: 600px) {
	.im-instructor-application-error {
		margin-bottom: 1.125rem;
	}
}

.im-instructor-application-error .im-error-icon {
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 2.25rem;
	height: 2.25rem;
	background: var(--im-error-icon-bg);
	border-radius: 8px;
	color: var(--im-error-text);
}

.im-instructor-application-error .im-error-icon svg {
	display: block;
}

.im-error-body {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
	min-width: 0;
}

.im-error-title {
	font-size: 0.875rem;
	font-weight: 700;
}

.im-error-text {
	font-size: 0.9375rem;
	line-height: 1.5;
}

/* ---- Form container (same horizontal padding as header) ---- */
.im-instructor-application-form {
	padding: var(--im-form-pad-y) var(--im-form-pad-x);
	padding-bottom: calc(var(--im-form-pad-y) + 0.25rem);
}

/* ---- Section cards ---- */
.im-form-section {
	margin-bottom: var(--pm-section-gap);
}

.im-form-section:last-of-type {
	margin-bottom: 0;
}

.im-form-section--card {
	padding: var(--pm-card-pad);
	background: #fff;
	border: 1px solid var(--im-form-surface-border);
	border-radius: var(--im-form-radius-sm);
}

.im-form-section__title {
	margin: 0 0 0.875rem;
	padding: 0 0 0.5rem;
	font-size: 0.75rem;
	font-weight: 700;
	line-height: 1.35;
	color: var(--im-form-label-muted);
	text-transform: uppercase;
	letter-spacing: 0.07em;
	border-bottom: 1px solid var(--im-form-surface-border);
}

.im-form-section__lead {
	margin: -0.35rem 0 1rem;
	font-size: 0.875rem;
	line-height: 1.55;
	color: var(--im-form-label-muted);
}

/* ---- Grid (consistent vertical rhythm between fields) ---- */
.im-form-grid {
	display: grid;
	gap: 0.875rem;
}

.im-form-grid--2 {
	grid-template-columns: 1fr;
}

@media (min-width: 520px) {
	.im-form-grid--2 {
		grid-template-columns: 1fr 1fr;
		gap: 1rem 1.25rem;
	}
}

/* Full-width rows: even spacing after grid or previous full row */
.im-form-section--card .im-form-grid + .im-form-row--full,
.im-form-section--card .im-form-row--full + .im-form-row--full {
	margin-top: 0.875rem;
}

.im-form-row--full {
	grid-column: 1 / -1;
}

.im-form-row--narrow {
	max-width: 100%;
}

@media (min-width: 520px) {
	.im-form-row--narrow {
		max-width: 280px;
	}
}

/* ---- Labels & inputs (tight label–input gap, clean stack) ---- */
.im-instructor-application-form label {
	display: block;
	margin: 0 0 var(--pm-label-gap);
	padding: 0;
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--im-form-label);
	line-height: 1.3;
}

.im-instructor-application-form .required {
	color: #dc2626;
	font-weight: 700;
	margin-left: 0.125rem;
}

.im-instructor-application-form input[type="text"],
.im-instructor-application-form input[type="email"],
.im-instructor-application-form input[type="tel"],
.im-instructor-application-form input[type="url"],
.im-instructor-application-form input[type="password"],
.im-instructor-application-form select,
.im-instructor-application-form textarea {
	width: 100%;
	max-width: 100%;
	margin: 0;
	padding: 0.5625rem 0.8125rem;
	font-size: 0.9375rem;
	line-height: 1.5;
	color: var(--im-form-label);
	background: #fff;
	border: 1px solid var(--im-form-input-border);
	border-radius: var(--im-form-radius-sm);
	box-sizing: border-box;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
	-webkit-appearance: none;
	appearance: none;
}

/* ---- Country / select field (professional dropdown) ---- */
.im-instructor-application-form select,
.im-instructor-application-form .im-form-select {
	min-height: 2.75rem;
	cursor: pointer;
	font-family: inherit;
	letter-spacing: 0.01em;
	background-color: #fff;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 0.875rem center;
	background-size: 1rem 1rem;
	padding: 0.5625rem 2.5rem 0.5625rem 0.8125rem;
}

.im-instructor-application-form select:hover,
.im-instructor-application-form .im-form-select:hover {
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%231e293b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

.im-instructor-application-form select:focus,
.im-instructor-application-form .im-form-select:focus {
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

.im-instructor-application-form input::placeholder,
.im-instructor-application-form textarea::placeholder {
	color: #94a3b8;
	opacity: 1;
}

.im-instructor-application-form input:hover,
.im-instructor-application-form select:hover,
.im-instructor-application-form textarea:hover {
	border-color: #b8c4d4;
}

.im-instructor-application-form input:focus,
.im-instructor-application-form select:focus,
.im-instructor-application-form textarea:focus {
	outline: none;
	border-color: var(--im-form-input-focus);
	box-shadow: 0 0 0 3px var(--im-form-input-focus-ring);
}

.im-instructor-application-form textarea {
	min-height: 80px;
	resize: vertical;
}

/* ---- Hint ---- */
.im-form-hint {
	margin: 0.85rem 0 0;
	padding: 0.6rem 0.75rem;
	font-size: 0.8125rem;
	line-height: 1.5;
	color: var(--im-form-label-muted);
	background: rgba(255, 255, 255, 0.7);
	border-radius: 6px;
	border-left: 3px solid var(--im-accent);
}

/* ---- Actions ---- */
.im-form-actions {
	margin-top: 1.25rem;
	padding-top: 1.25rem;
	border-top: 1px solid var(--im-form-surface-border);
}

.im-instructor-application-form .im-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	width: 100%;
	padding: 0.6875rem 1.375rem;
	font-size: 0.9375rem;
	font-weight: 600;
	line-height: 1.4;
	text-align: center;
	text-decoration: none;
	cursor: pointer;
	border: none;
	border-radius: var(--im-form-radius-sm);
	background: var(--im-accent);
	color: #fff;
	box-shadow: 0 1px 2px rgba(46, 163, 242, 0.25);
	transition: background-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

@media (min-width: 480px) {
	.im-instructor-application-form .im-button {
		width: auto;
		min-width: 200px;
		padding: 0.75rem 1.5rem;
	}
}

.im-instructor-application-form .im-button:hover {
	background: var(--im-accent-hover);
	color: #fff;
	box-shadow: 0 4px 12px rgba(46, 163, 242, 0.35);
}

.im-instructor-application-form .im-button:active {
	transform: translateY(1px);
}

.im-instructor-application-form .im-button:focus {
	outline: none;
	box-shadow: 0 0 0 3px var(--im-form-input-focus-ring), 0 4px 12px rgba(46, 163, 242, 0.25);
}

.im-instructor-application-form .im-button-icon {
	display: flex;
	opacity: 0.95;
}

.im-instructor-application-form .im-button-icon svg {
	display: block;
}

.im-form-footnote {
	margin: 1rem 0 0;
	font-size: 0.75rem;
	line-height: 1.5;
	color: #94a3b8;
	text-align: center;
}

@media (min-width: 480px) {
	.im-form-footnote {
		text-align: left;
	}
}

/* ---- Success state ---- */
.im-instructor-application-wrap.im-instructor-application-success {
	text-align: center;
}

.im-instructor-application-success .im-application-header {
	border-bottom: none;
	background: linear-gradient(180deg, #f0fdf4 0%, var(--im-form-bg) 55%);
}

.im-instructor-application-success .im-application-title {
	color: var(--im-success-text);
}

.im-instructor-application-success .im-application-success-message {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.75rem;
	margin: 0 1.5rem 1.75rem;
	padding: 1.75rem 1.25rem;
	background: var(--im-success-bg);
	border: 1px solid var(--im-success-border);
	border-radius: var(--im-form-radius-sm);
	color: var(--im-success-text);
	font-size: 0.9375rem;
	line-height: 1.6;
	text-align: left;
}

.im-instructor-application-success .im-application-success-message::before {
	content: "";
	display: block;
	width: 48px;
	height: 48px;
	background: var(--im-success-border);
	border-radius: 50%;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23166534' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: center;
	flex-shrink: 0;
}

@media (min-width: 600px) {
	.im-instructor-application-success .im-application-success-message {
		margin: 0 2rem 2rem;
		padding: 2rem;
		font-size: 1rem;
		flex-direction: row;
		text-align: left;
	}
}

.im-instructor-application-form .optional {
	color: var(--im-form-label-muted);
	font-weight: 500;
	font-size: 0.75rem;
}

.im-optional-badge {
	display: inline-flex;
	align-items: center;
	margin-left: 0.35rem;
	padding: 0.125rem 0.5rem;
	font-size: 0.6875rem;
	font-weight: 600;
	line-height: 1.3;
	color: var(--im-form-label-muted);
	background: var(--im-form-surface);
	border: 1px solid var(--im-form-surface-border);
	border-radius: 999px;
	vertical-align: middle;
}

.im-form-field-desc {
	margin: 0.35rem 0 0;
	font-size: 0.8125rem;
	line-height: 1.55;
	color: var(--im-form-label-muted);
}

.im-form-subsection__title {
	margin: 0;
	font-size: 0.875rem;
	font-weight: 700;
	color: var(--im-form-label);
	letter-spacing: -0.01em;
}

/* ---- Expertise chips ---- */
.im-expertise-block {
	padding: 1rem 1.125rem;
	background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
	border: 1px solid var(--im-form-surface-border);
	border-radius: var(--im-form-radius-sm);
}

.im-expertise-block__header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 1rem;
	margin-bottom: 0.875rem;
}

.im-expertise-block__heading {
	min-width: 0;
}

.im-expertise-count {
	flex-shrink: 0;
	display: inline-flex;
	align-items: center;
	padding: 0.35rem 0.65rem;
	font-size: 0.75rem;
	font-weight: 700;
	color: var(--im-accent);
	background: var(--im-accent-subtle);
	border: 1px solid #bfdbfe;
	border-radius: 999px;
	white-space: nowrap;
}

.im-expertise-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
	gap: 0.625rem;
	margin-top: 0;
}

.im-expertise-chip {
	position: relative;
	display: block;
	margin: 0;
	cursor: pointer;
}

.im-expertise-chip__input {
	position: absolute;
	inset: 0;
	z-index: 2;
	width: 100%;
	height: 100%;
	margin: 0;
	opacity: 0;
	cursor: pointer;
}

.im-expertise-chip__body {
	display: flex;
	align-items: center;
	gap: 0.625rem;
	min-height: 2.75rem;
	padding: 0.625rem 0.875rem;
	background: #fff;
	border: 1px solid var(--im-form-input-border);
	border-radius: 10px;
	box-shadow: var(--im-form-shadow);
	transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}

.im-expertise-chip:hover .im-expertise-chip__body {
	border-color: #b8c4d4;
	box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
}

.im-expertise-chip__check {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 1.25rem;
	height: 1.25rem;
	border-radius: 999px;
	background: var(--im-form-surface);
	border: 1px solid var(--im-form-input-border);
	color: transparent;
	flex-shrink: 0;
	transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.im-expertise-chip__label {
	font-size: 0.875rem;
	font-weight: 600;
	line-height: 1.35;
	color: var(--im-form-label);
}

.im-expertise-chip__input:focus-visible + .im-expertise-chip__body {
	outline: none;
	border-color: var(--im-form-input-focus);
	box-shadow: 0 0 0 3px var(--im-form-input-focus-ring);
}

.im-expertise-chip__input:checked + .im-expertise-chip__body {
	border-color: var(--im-accent);
	background: var(--im-accent-subtle);
	box-shadow: 0 0 0 1px rgba(46, 163, 242, 0.12);
}

.im-expertise-chip__input:checked + .im-expertise-chip__body .im-expertise-chip__check {
	background: var(--im-accent);
	border-color: var(--im-accent);
	color: #fff;
}

/* ---- Professional links ---- */
.im-links-block {
	margin-top: 0.25rem;
	padding: 1rem 1.125rem;
	background: #fff;
	border: 1px solid var(--im-form-surface-border);
	border-radius: var(--im-form-radius-sm);
}

.im-links-block__header {
	margin-bottom: 0.875rem;
}

.im-links-grid {
	margin-top: 0;
}

.im-url-field {
	position: relative;
	display: flex;
	align-items: stretch;
}

.im-url-field__icon {
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.75rem;
	color: var(--im-form-label-muted);
	pointer-events: none;
	z-index: 1;
}

.im-url-field--linkedin .im-url-field__icon {
	color: #0a66c2;
}

.im-url-field__input {
	padding-left: 2.75rem !important;
}

.im-url-field:focus-within .im-url-field__icon {
	color: var(--im-accent);
}

.im-url-field--linkedin:focus-within .im-url-field__icon {
	color: #0a66c2;
}

@media (max-width: 519px) {
	.im-expertise-block__header {
		flex-direction: column;
		align-items: stretch;
	}

	.im-expertise-count {
		align-self: flex-start;
	}

	.im-expertise-grid {
		grid-template-columns: 1fr;
	}
}

.im-instructor-application-form input[type="file"] {
	width: 100%;
	padding: 0.75rem;
	font-size: 0.875rem;
	color: var(--im-form-label-muted);
	background: var(--im-form-surface);
	border: 1px dashed var(--im-form-input-border);
	border-radius: var(--im-form-radius-sm);
	cursor: pointer;
	box-sizing: border-box;
}

.im-instructor-application-form input[type="file"]:hover {
	border-color: var(--im-accent);
	background: var(--im-accent-subtle);
}

.im-instructor-application-form input[type="file"]:focus {
	outline: none;
	border-color: var(--im-form-input-focus);
	box-shadow: 0 0 0 3px var(--im-form-input-focus-ring);
}

.im-application-notice {
	display: flex;
	align-items: flex-start;
	gap: 0.875rem;
	margin: 0 var(--im-form-pad-x) var(--pm-section-gap);
	padding: 0.875rem 1rem;
	border-radius: var(--im-form-radius-sm);
}

.im-application-notice--info {
	background: var(--im-accent-subtle);
	border: 1px solid #bfdbfe;
	color: #1e40af;
}

.im-application-admin-note {
	margin-top: 0.75rem;
	padding: 0.75rem 0.875rem;
	border-radius: var(--im-form-radius-sm);
	background: #fff;
	border: 1px solid #dbeafe;
	color: #1e3a8a;
	font-size: 0.875rem;
	line-height: 1.55;
}

.im-form-hint--section {
	margin: 0 0 1rem;
}

.im-form-row {
	display: flex;
	flex-direction: column;
}

.im-form-label {
	font-weight: 600;
	font-size: 0.8125rem;
	color: var(--im-form-label);
	line-height: 1.3;
}

.im-application-success {
	padding: 2.5rem 1.5rem;
	text-align: center;
}

.im-application-success h2 {
	margin: 0 0 12px;
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--im-success-text);
	letter-spacing: -0.02em;
}

.im-application-success p {
	margin: 0 auto;
	max-width: 42ch;
	color: var(--im-form-label-muted);
	line-height: 1.65;
	font-size: 0.9375rem;
}

.im-application-success a {
	color: var(--im-accent);
	font-weight: 600;
	text-decoration: none;
}

.im-application-success a:hover {
	text-decoration: underline;
}