/**
 * Student Academic Calculators - Component Styles
 */

/* Main Container Shell */
.sac-calculator-wrapper {
	max-width: 840px;
	margin: 2rem auto;
	padding: 1.75rem;
	border: 1px solid var(--sac-border);
	border-radius: var(--sac-radius-lg);
	box-shadow: var(--sac-shadow-sm);
	background-color: var(--sac-surface);
}

/* Card Theme Modifier */
.sac-calculator-wrapper.sac-theme-card {
	box-shadow: var(--sac-shadow-md);
	border-color: transparent;
}

/* Compact Theme Modifier */
.sac-calculator-wrapper.sac-theme-compact {
	padding: 1.25rem;
	max-width: 620px;
}

/* Header Area */
.sac-calculator-header {
	margin-bottom: 1.5rem;
	padding-bottom: 1rem;
	border-bottom: 1px solid var(--sac-border);
}

.sac-calculator-title {
	margin: 0 0 0.5rem 0;
	font-size: var(--sac-font-size-2xl);
	font-weight: 700;
	line-height: var(--sac-line-height-tight);
	color: var(--sac-text);
}

.sac-calculator-description {
	margin: 0;
	font-size: var(--sac-font-size-sm);
	color: var(--sac-text-muted);
}

/* Form Controls & Layout */
.sac-form-group {
	margin-bottom: 1.25rem;
}

.sac-form-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 1rem;
}

.sac-label {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 0.375rem;
	font-size: var(--sac-font-size-sm);
	font-weight: 600;
	color: var(--sac-text);
}

.sac-label-required {
	color: var(--sac-accent-danger);
	margin-left: 0.25rem;
}

/* Text, Number, and Select Inputs */
.sac-input,
.sac-select {
	display: block;
	width: 100%;
	height: var(--sac-touch-target);
	padding: 0.5rem 0.75rem;
	font-size: var(--sac-font-size-base);
	font-family: inherit;
	line-height: var(--sac-line-height-normal);
	color: var(--sac-text);
	background-color: var(--sac-surface);
	background-clip: padding-box;
	border: 1px solid var(--sac-border);
	border-radius: var(--sac-radius);
	box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.05);
	transition: border-color var(--sac-transition), box-shadow var(--sac-transition);
	-webkit-appearance: none;
	-moz-appearance: none;
	appearance: none;
}

.sac-select {
	padding-right: 2.25rem;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2364748b'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 0.75rem center;
	background-size: 1.125rem 1.125rem;
}

/* Input Focus & Validation States */
.sac-input:focus,
.sac-select:focus {
	outline: none;
	border-color: var(--sac-border-focus);
	box-shadow: 0 0 0 3px var(--sac-outline-focus);
}

.sac-input[aria-invalid="true"],
.sac-select[aria-invalid="true"] {
	border-color: var(--sac-accent-danger);
	background-color: var(--sac-accent-danger-bg);
}

.sac-input[aria-invalid="true"]:focus,
.sac-select[aria-invalid="true"]:focus {
	box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.25);
}

.sac-input:disabled,
.sac-select:disabled {
	background-color: var(--sac-secondary);
	color: var(--sac-text-muted);
	cursor: not-allowed;
	opacity: 0.7;
}

/* Help & Field Error Messages */
.sac-help-text {
	margin-top: 0.375rem;
	font-size: var(--sac-font-size-xs);
	color: var(--sac-text-muted);
}

.sac-field-error {
	display: none;
	margin-top: 0.375rem;
	font-size: var(--sac-font-size-xs);
	color: var(--sac-accent-danger);
	font-weight: 500;
}

.sac-field-error.sac-is-active {
	display: block;
}

/* Global Form Alert / Banner */
.sac-alert {
	padding: 0.875rem 1rem;
	margin-bottom: 1.25rem;
	border-radius: var(--sac-radius);
	border: 1px solid transparent;
	font-size: var(--sac-font-size-sm);
	display: none;
}

.sac-alert.sac-is-visible {
	display: flex;
	align-items: flex-start;
	gap: 0.5rem;
}

.sac-alert-danger {
	background-color: var(--sac-accent-danger-bg);
	border-color: #fca5a5;
	color: var(--sac-accent-danger);
}

.sac-alert-warning {
	background-color: var(--sac-accent-warning-bg);
	border-color: #fcd34d;
	color: var(--sac-accent-warning);
}

/* Buttons */
.sac-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	height: var(--sac-touch-target);
	padding: 0 1.25rem;
	font-size: var(--sac-font-size-sm);
	font-weight: 600;
	font-family: inherit;
	line-height: 1;
	text-decoration: none;
	border: 1px solid transparent;
	border-radius: var(--sac-radius);
	cursor: pointer;
	user-select: none;
	transition: background-color var(--sac-transition), border-color var(--sac-transition), color var(--sac-transition), box-shadow var(--sac-transition);
}

.sac-btn:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px var(--sac-outline-focus);
}

.sac-btn:disabled {
	opacity: 0.6;
	cursor: not-allowed;
	pointer-events: none;
}

.sac-btn-primary {
	background-color: var(--sac-primary);
	color: var(--sac-primary-contrast);
}

.sac-btn-primary:hover:not(:disabled) {
	background-color: var(--sac-primary-hover);
}

.sac-btn-secondary {
	background-color: var(--sac-secondary);
	border-color: var(--sac-border);
	color: var(--sac-secondary-contrast);
}

.sac-btn-secondary:hover:not(:disabled) {
	background-color: var(--sac-secondary-hover);
	border-color: #94a3b8;
}

.sac-btn-outline {
	background-color: transparent;
	border-color: var(--sac-border);
	color: var(--sac-text);
}

.sac-btn-outline:hover:not(:disabled) {
	background-color: var(--sac-secondary);
}

.sac-btn-danger-outline {
	background-color: transparent;
	border-color: #fca5a5;
	color: var(--sac-accent-danger);
}

.sac-btn-danger-outline:hover:not(:disabled) {
	background-color: var(--sac-accent-danger-bg);
	border-color: var(--sac-accent-danger);
}

.sac-btn-sm {
	height: 34px;
	padding: 0 0.75rem;
	font-size: var(--sac-font-size-xs);
}

.sac-btn-block {
	display: flex;
	width: 100%;
}

.sac-btn-icon-only {
	width: var(--sac-touch-target);
	padding: 0;
	border-radius: var(--sac-radius-sm);
}

/* Action Bars */
.sac-actions {
	display: flex;
	align-items: center;
	justify-content: flex-start;
	gap: 0.75rem;
	margin-top: 1.5rem;
	flex-wrap: wrap;
}

/* Dynamic Data Tables (For SGPA, CGPA rows) */
.sac-table-container {
	width: 100%;
	margin-bottom: 1rem;
	overflow-x: auto;
	border: 1px solid var(--sac-border);
	border-radius: var(--sac-radius);
}

.sac-table {
	width: 100%;
	border-collapse: collapse;
	text-align: left;
	font-size: var(--sac-font-size-sm);
}

.sac-table th,
.sac-table td {
	padding: 0.75rem 0.875rem;
	vertical-align: middle;
	border-bottom: 1px solid var(--sac-border);
}

.sac-table th {
	background-color: var(--sac-surface-subtle);
	font-weight: 600;
	color: var(--sac-text);
	white-space: nowrap;
}

.sac-table tr:last-child td {
	border-bottom: none;
}

.sac-table td .sac-input,
.sac-table td .sac-select {
	height: 38px;
	font-size: var(--sac-font-size-sm);
}

.sac-col-action {
	width: 48px;
	text-align: center;
}

/* Result Dashboard Box */
.sac-result-box {
	margin-top: 2rem;
	padding: 1.5rem;
	background-color: var(--sac-surface-subtle);
	border: 1px solid var(--sac-border);
	border-radius: var(--sac-radius);
	display: none;
}

.sac-result-box.sac-is-visible {
	display: block;
}

.sac-result-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 1rem;
}

.sac-result-title {
	margin: 0;
	font-size: var(--sac-font-size-base);
	font-weight: 700;
	color: var(--sac-text);
}

.sac-result-value-display {
	display: flex;
	align-items: baseline;
	gap: 0.5rem;
	margin-bottom: 0.75rem;
}

.sac-result-primary-number {
	font-size: var(--sac-font-size-3xl);
	font-weight: 800;
	line-height: 1;
	color: var(--sac-primary);
	font-family: var(--sac-font-mono);
}

.sac-result-label {
	font-size: var(--sac-font-size-sm);
	color: var(--sac-text-muted);
	font-weight: 500;
}

.sac-result-badge {
	display: inline-flex;
	align-items: center;
	padding: 0.25rem 0.625rem;
	border-radius: 9999px;
	font-size: var(--sac-font-size-xs);
	font-weight: 600;
	line-height: 1;
}

.sac-badge-success {
	background-color: var(--sac-accent-success-bg);
	color: var(--sac-accent-success);
	border: 1px solid #bbf7d0;
}

.sac-badge-warning {
	background-color: var(--sac-accent-warning-bg);
	color: var(--sac-accent-warning);
	border: 1px solid #fde68a;
}

.sac-badge-danger {
	background-color: var(--sac-accent-danger-bg);
	color: var(--sac-accent-danger);
	border: 1px solid #fecaca;
}

.sac-result-breakdown {
	margin-top: 1rem;
	padding-top: 1rem;
	border-top: 1px solid var(--sac-border);
	font-size: var(--sac-font-size-sm);
	color: var(--sac-text-muted);
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
	gap: 0.75rem;
}

.sac-breakdown-item strong {
	display: block;
	font-size: var(--sac-font-size-base);
	color: var(--sac-text);
}