/* AIMS Homework Services — frontend styles
   Colors and font are controlled from Homework Services → Settings → Form Appearance
   and injected as CSS variables (--aims-primary, --aims-accent, --aims-font) via wp_add_inline_style.
   Sensible fallbacks are defined below in case that inline style is missing.
*/

.aims-hs-section {
	--aims-primary: #16233F;
	--aims-primary-rgb: 22, 35, 63;
	--aims-accent: #2F6FED;
	--aims-accent-rgb: 47, 111, 237;
	--aims-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

	--aims-text: #1D2433;
	--aims-muted: #667085;
	--aims-border: #D0D5DD;
	--aims-border-light: #E4E7EC;
	--aims-field-bg: #FFFFFF;
	--aims-success: #1B7A4D;
	--aims-success-bg: #EAF7EF;
	--aims-danger: #B3261E;
	--aims-danger-bg: #FBEAE9;

	padding: 40px 16px;
	box-sizing: border-box;
	font-family: var(--aims-font);
	color: var(--aims-text);
	-webkit-font-smoothing: antialiased;
}
.aims-hs-section *, .aims-hs-section *::before, .aims-hs-section *::after { box-sizing: border-box; }

.aims-hs-container {
	max-width: 760px;
	margin: 0 auto;
}

.aims-hs-header {
	margin-bottom: 24px;
}

.aims-hs-title {
	font-family: var(--aims-font);
	font-weight: 700;
	font-size: 24px;
	line-height: 1.25;
	margin: 0 0 8px;
	color: var(--aims-primary);
	letter-spacing: -0.01em;
}

.aims-hs-subtitle {
	margin: 0;
	color: var(--aims-muted);
	font-size: 14.5px;
	line-height: 1.55;
	max-width: 60ch;
}

.aims-hs-alert {
	padding: 12px 14px;
	border-radius: 6px;
	margin-bottom: 20px;
	font-size: 14px;
	line-height: 1.5;
	font-weight: 500;
}
.aims-hs-alert.success { background: var(--aims-success-bg); color: var(--aims-success); border: 1px solid #cdead9; }
.aims-hs-alert.error   { background: var(--aims-danger-bg);  color: var(--aims-danger);  border: 1px solid #f3d3d1; }

.aims-hs-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 18px 20px;
}
.aims-hs-field-full { grid-column: 1 / -1; }

.aims-hs-field label {
	display: block;
	font-size: 13.5px;
	font-weight: 600;
	color: var(--aims-text);
	margin-bottom: 7px;
	letter-spacing: 0.01em;
}
.aims-hs-field label .req { color: var(--aims-danger); font-weight: 700; }

/* Standard, consistent field sizing across every input type */
.aims-hs-field input[type="text"],
.aims-hs-field input[type="tel"],
.aims-hs-field input[type="email"],
.aims-hs-field input[type="date"],
.aims-hs-field select,
.aims-hs-field textarea {
	display: block;
	width: 100%;
	height: 40px;
	padding: 0 12px;
	border: 1px solid var(--aims-border);
	border-radius: 5px;
	background: var(--aims-field-bg);
	font-family: inherit;
	font-size: 14px;
	color: var(--aims-text);
	line-height: 38px;
	transition: border-color .15s ease, box-shadow .15s ease;
	appearance: none;
	-webkit-appearance: none;
}
.aims-hs-field textarea {
	height: auto;
	min-height: 88px;
	padding: 10px 12px;
	line-height: 1.5;
	resize: vertical;
}
.aims-hs-field select {
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23667085' stroke-width='1.6' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 12px center;
	padding-right: 32px;
	cursor: pointer;
}

.aims-hs-field input::placeholder,
.aims-hs-field textarea::placeholder { color: #98A2B3; }

.aims-hs-field input:hover,
.aims-hs-field select:hover,
.aims-hs-field textarea:hover {
	border-color: #98A2B3;
}

.aims-hs-field input:focus,
.aims-hs-field select:focus,
.aims-hs-field textarea:focus {
	outline: none;
	border-color: var(--aims-accent);
	box-shadow: 0 0 0 2px rgba(var(--aims-accent-rgb), 0.12);
}

.aims-hs-field select:disabled {
	background-color: #F2F4F7;
	color: #98A2B3;
	cursor: not-allowed;
}

.aims-hs-slot-message {
	margin: 8px 0 0;
	font-size: 12.5px;
	color: var(--aims-danger);
	background: var(--aims-danger-bg);
	border: 1px solid #f3d3d1;
	border-radius: 6px;
	padding: 8px 10px;
}

.aims-hs-hint {
	display: block;
	margin-top: 6px;
	font-size: 12.5px;
	color: var(--aims-muted);
}

/* File upload — styled to match the standard field set */
.aims-hs-file-upload {
	display: flex;
	align-items: center;
	gap: 12px;
	flex-wrap: wrap;
}
.aims-hs-file-upload input[type="file"] {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0,0,0,0);
	white-space: nowrap;
}
.aims-hs-file-btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	height: 38px;
	background: var(--aims-field-bg);
	border: 1px solid var(--aims-border);
	border-radius: 5px;
	padding: 0 16px;
	font-size: 13.5px;
	font-weight: 600;
	color: var(--aims-text);
	cursor: pointer;
	transition: border-color .15s ease;
	white-space: nowrap;
}
.aims-hs-file-btn:hover { border-color: var(--aims-accent); }
.aims-hs-file-upload input[type="file"]:focus-visible + .aims-hs-file-btn {
	outline: 2px solid var(--aims-accent);
	outline-offset: 1px;
}
.aims-hs-file-name {
	font-size: 13px;
	color: var(--aims-muted);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	max-width: 100%;
}
.aims-hs-file-name.has-file { color: var(--aims-success); font-weight: 600; }

.aims-hs-submit-row {
	margin-top: 24px;
	display: flex;
	justify-content: flex-end;
}

.aims-hs-submit-btn {
	background: var(--aims-primary);
	color: #fff;
	border: none;
	border-radius: 5px;
	height: 42px;
	padding: 0 26px;
	font-family: inherit;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	transition: filter .15s ease;
}
.aims-hs-submit-btn:hover { filter: brightness(1.12); }
.aims-hs-submit-btn:active { filter: brightness(0.95); }
.aims-hs-submit-btn:disabled { opacity: .65; cursor: not-allowed; }

.aims-hs-btn-spinner {
	width: 14px; height: 14px;
	border: 2px solid rgba(255,255,255,0.35);
	border-top-color: #fff;
	border-radius: 50%;
	display: inline-block;
	animation: aims-hs-spin .7s linear infinite;
	flex-shrink: 0;
}
@keyframes aims-hs-spin { to { transform: rotate(360deg); } }

/* ---------------- Tablet ---------------- */
@media (max-width: 860px) {
	.aims-hs-container { max-width: 100%; }
}

/* ---------------- Mobile ---------------- */
@media (max-width: 640px) {
	.aims-hs-section { padding: 24px 16px; }
	.aims-hs-title { font-size: 20px; }
	.aims-hs-subtitle { font-size: 13.5px; }
	.aims-hs-header { margin-bottom: 20px; }

	.aims-hs-grid { grid-template-columns: 1fr; gap: 14px; }

	/* 16px prevents iOS Safari from zooming in on focus, height kept standard */
	.aims-hs-field input[type="text"],
	.aims-hs-field input[type="tel"],
	.aims-hs-field input[type="email"],
	.aims-hs-field input[type="date"],
	.aims-hs-field select,
	.aims-hs-field textarea {
		font-size: 16px;
		height: 42px;
		line-height: 40px;
	}
	.aims-hs-field textarea { height: auto; line-height: 1.5; }

	.aims-hs-file-upload { width: 100%; }
	.aims-hs-file-btn { width: 100%; justify-content: center; height: 42px; }
	.aims-hs-file-name { width: 100%; text-align: center; }

	.aims-hs-submit-row { justify-content: stretch; margin-top: 20px; }
	.aims-hs-submit-btn { width: 100%; height: 44px; font-size: 14.5px; }
}

@media (max-width: 380px) {
	.aims-hs-section { padding: 18px 12px; }
	.aims-hs-title { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
	.aims-hs-btn-spinner { animation: none; }
	.aims-hs-submit-btn { transition: none; }
}