/**
 * İnfaz Hesaplama — Calculator UI
 * Namespace: .ih-calculator
 * Tema stillerini bozmamak için global selector yok.
 */

.ih-calculator {
	--ih-primary: #1a2f4a;
	--ih-primary-hover: #122236;
	--ih-accent: #8a734a;
	--ih-text: #1a1f2c;
	--ih-muted: #5c6578;
	--ih-border: #d5dbe6;
	--ih-background: #f3f5f8;
	--ih-surface: #ffffff;
	--ih-success: #1f6b4a;
	--ih-success-bg: #e8f5ef;
	--ih-warning: #7a5a12;
	--ih-warning-bg: #f8f1e3;
	--ih-error: #8b1e1e;
	--ih-error-bg: #fceeee;
	--ih-info-bg: #eef2f7;
	--ih-radius: 8px;
	--ih-shadow: 0 1px 2px rgba(20, 35, 60, 0.05), 0 6px 18px rgba(20, 35, 60, 0.05);
	--ih-focus: 0 0 0 3px rgba(26, 47, 74, 0.28);
	--ih-font: "Source Serif 4", "Georgia", "Times New Roman", serif;
	--ih-font-ui: "Segoe UI", "Helvetica Neue", Arial, sans-serif;

	box-sizing: border-box;
	max-width: 1080px;
	margin: 0 auto 2rem;
	padding: 1.5rem;
	color: var(--ih-text);
	background: var(--ih-background);
	border: 1px solid var(--ih-border);
	border-radius: calc(var(--ih-radius) + 2px);
	font-family: var(--ih-font-ui);
	line-height: 1.55;
}

.ih-calculator *,
.ih-calculator *::before,
.ih-calculator *::after {
	box-sizing: border-box;
}

.ih-calculator__header {
	margin-bottom: 1.5rem;
	padding-bottom: 1.25rem;
	border-bottom: 1px solid var(--ih-border);
}

.ih-calculator__title {
	margin: 0 0 0.75rem;
	font-family: var(--ih-font);
	font-size: clamp(1.5rem, 2.2vw, 1.9rem);
	font-weight: 600;
	letter-spacing: -0.01em;
	color: var(--ih-primary);
}

.ih-calculator__intro {
	margin: 0 0 0.5rem;
	color: var(--ih-text);
	font-size: 1rem;
}

.ih-calculator__notice {
	margin: 0;
	color: var(--ih-muted);
	font-size: 0.925rem;
}

.ih-calculator__form,
.ih-calculator__section,
.ih-calculator__result-card,
.ih-calculator__panel {
	background: var(--ih-surface);
	border: 1px solid var(--ih-border);
	border-radius: var(--ih-radius);
	box-shadow: var(--ih-shadow);
}

.ih-calculator__form {
	padding: 1rem;
}

.ih-calculator__sections {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.25rem;
}

@media (min-width: 900px) {
	.ih-calculator__sections {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 1.5rem;
		align-items: start;
	}

	.ih-calculator__section--wide {
		grid-column: 1 / -1;
	}
}

@media (min-width: 768px) and (max-width: 899px) {
	.ih-calculator__sections {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 1.25rem;
		align-items: start;
	}
}

.ih-calculator__section {
	padding: 1rem 1.1rem;
	box-shadow: none;
	height: fit-content;
}

.ih-calculator__header {
	margin-bottom: 1.1rem;
	padding-bottom: 0.9rem;
	border-bottom: 1px solid var(--ih-border);
}

.ih-calculator__intro {
	margin: 0 0 0.35rem;
	color: var(--ih-text);
	font-size: 0.95rem;
}

.ih-calculator__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.75rem 1rem;
}

@media (min-width: 600px) {
	.ih-calculator__grid {
		grid-template-columns: 1fr 1fr;
	}

	.ih-calculator__field--span {
		grid-column: 1 / -1;
	}
}

.ih-calculator__cards {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.85rem;
}

@media (min-width: 700px) {
	.ih-calculator__cards {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 1024px) {
	.ih-calculator__cards {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

.ih-calculator__section-title {
	margin: 0 0 1rem;
	padding-bottom: 0.65rem;
	border-bottom: 1px solid var(--ih-border);
	font-family: var(--ih-font);
	font-size: 1.15rem;
	font-weight: 600;
	color: var(--ih-primary);
	display: flex;
	align-items: center;
	gap: 0.65rem;
}

.ih-calculator__step-num {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 2rem;
	height: 1.75rem;
	padding: 0 0.4rem;
	border: 1px solid var(--ih-border);
	border-radius: 4px;
	background: #f7f8fb;
	color: var(--ih-accent);
	font-family: var(--ih-font-ui);
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.04em;
}

.ih-calculator__field {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
	min-width: 0;
}

.ih-calculator__label,
.ih-calculator__sublabel {
	font-size: 0.9rem;
	font-weight: 600;
	color: var(--ih-text);
}

.ih-calculator__sublabel {
	font-weight: 500;
	color: var(--ih-muted);
}

.ih-calculator__required {
	color: var(--ih-error);
	margin-left: 0.15rem;
}

.ih-calculator__input,
.ih-calculator__select {
	width: 100%;
	min-height: 44px;
	padding: 0.55rem 0.75rem;
	border: 1px solid var(--ih-border);
	border-radius: 8px;
	background: #fff;
	color: var(--ih-text);
	font: inherit;
	font-size: 1rem;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ih-calculator__input:hover,
.ih-calculator__select:hover {
	border-color: #b7c2d4;
}

.ih-calculator__input:focus,
.ih-calculator__select:focus,
.ih-calculator__button:focus,
.ih-calculator__link-button:focus {
	outline: none;
	border-color: var(--ih-primary);
	box-shadow: var(--ih-focus);
}

.ih-calculator__input[aria-invalid="true"] {
	border-color: var(--ih-error);
}

.ih-calculator__sentence {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 0.75rem;
}

.ih-calculator__sentence-item {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
}

.ih-calculator__hint {
	margin: 0;
	font-size: 0.85rem;
	color: var(--ih-muted);
}

.ih-calculator__hint--section {
	margin-bottom: 0.75rem;
}

.ih-calculator__field-error {
	margin: 0;
	font-size: 0.85rem;
	color: var(--ih-error);
}

.ih-calculator__checkbox {
	display: flex;
	align-items: flex-start;
	gap: 0.65rem;
	min-height: 44px;
	padding-top: 0.35rem;
}

.ih-calculator__checkbox input {
	width: 1.15rem;
	height: 1.15rem;
	margin-top: 0.2rem;
	flex-shrink: 0;
	accent-color: var(--ih-primary);
}

.ih-calculator__checkbox label {
	font-size: 0.95rem;
	cursor: pointer;
}

.ih-calculator__info-box {
	margin: 0;
	padding: 0.85rem 1rem;
	background: var(--ih-info-bg);
	border: 1px solid var(--ih-border);
	border-radius: 8px;
	color: var(--ih-muted);
	font-size: 0.9rem;
}

.ih-calculator__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 1.5rem;
	padding-top: 1.25rem;
	border-top: 1px solid var(--ih-border);
}

.ih-calculator__button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 48px;
	min-width: 160px;
	padding: 0.7rem 1.4rem;
	border: 1px solid transparent;
	border-radius: 8px;
	font: inherit;
	font-size: 0.95rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	cursor: pointer;
	text-decoration: none;
	transition: background-color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

.ih-calculator__button:disabled {
	opacity: 0.65;
	cursor: not-allowed;
}

.ih-calculator__button--primary {
	background: var(--ih-primary);
	color: #fff;
}

.ih-calculator__button--primary:hover:not(:disabled) {
	background: var(--ih-primary-hover);
}

.ih-calculator__button--secondary {
	background: #fff;
	color: var(--ih-primary);
	border-color: var(--ih-border);
}

.ih-calculator__button--secondary:hover:not(:disabled) {
	border-color: var(--ih-primary);
}

.ih-calculator__link-button {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	margin: 0.5rem 0 0;
	padding: 0.35rem 0;
	border: 0;
	background: none;
	color: var(--ih-primary);
	font: inherit;
	font-weight: 600;
	text-decoration: underline;
	cursor: pointer;
}

.ih-calculator__alert {
	margin-bottom: 1rem;
	padding: 0.9rem 1rem;
	border-radius: 8px;
	border: 1px solid var(--ih-border);
	font-size: 0.95rem;
}

.ih-calculator__alert--error {
	background: var(--ih-error-bg);
	border-color: #e2b4b4;
	color: var(--ih-error);
}

.ih-calculator__alert--warning {
	background: var(--ih-warning-bg);
	border-color: #e6d2a8;
	color: var(--ih-warning);
}

.ih-calculator__result {
	margin-top: 1.5rem;
	outline: none;
}

.ih-calculator__result-inner {
	display: flex;
	flex-direction: column;
	gap: 1.25rem;
}

.ih-calculator__result-header {
	padding: 1.25rem;
	background: var(--ih-surface);
	border: 1px solid var(--ih-border);
	border-radius: var(--ih-radius);
	box-shadow: var(--ih-shadow);
}

.ih-calculator__result-title {
	margin: 0 0 0.5rem;
	font-family: var(--ih-font);
	font-size: 1.4rem;
	color: var(--ih-primary);
}

.ih-calculator__status {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	margin: 0;
	padding: 0.35rem 0.7rem;
	border-radius: 999px;
	font-size: 0.85rem;
	font-weight: 600;
	border: 1px solid transparent;
}

.ih-calculator__status--success {
	background: var(--ih-success-bg);
	color: var(--ih-success);
	border-color: #b7dcc9;
}

.ih-calculator__status--partial {
	background: var(--ih-warning-bg);
	color: var(--ih-warning);
	border-color: #e6d2a8;
}

.ih-calculator__status--manual,
.ih-calculator__status--error {
	background: var(--ih-error-bg);
	color: var(--ih-error);
	border-color: #e2b4b4;
}

.ih-calculator__manual-banner {
	padding: 1rem 1.15rem;
	background: var(--ih-warning-bg);
	border: 1px solid #e6d2a8;
	border-left: 4px solid var(--ih-warning);
	border-radius: var(--ih-radius);
}

.ih-calculator__manual-banner h3 {
	margin: 0 0 0.5rem;
	font-size: 1.05rem;
	color: var(--ih-warning);
}

.ih-calculator__manual-banner p {
	margin: 0 0 0.5rem;
	color: var(--ih-text);
	font-size: 0.95rem;
}

.ih-calculator__manual-banner p:last-child {
	margin-bottom: 0;
}

.ih-calculator__manual-banner ul {
	margin: 0.65rem 0 0;
	padding-left: 1.2rem;
}

.ih-calculator__result-card {
	padding: 1rem 1.1rem;
}

.ih-calculator__result-card--highlight {
	border-color: #cfc3a8;
	box-shadow: inset 3px 0 0 var(--ih-accent), var(--ih-shadow);
}

.ih-calculator__partial-banner {
	padding: 0.95rem 1.1rem;
	background: var(--ih-info-bg);
	border: 1px solid var(--ih-border);
	border-left: 4px solid var(--ih-primary);
	border-radius: var(--ih-radius);
}

.ih-calculator__partial-banner p {
	margin: 0;
	color: var(--ih-text);
	font-size: 0.95rem;
}

.ih-calculator__result-card h3 {
	margin: 0 0 0.55rem;
	font-size: 0.85rem;
	font-weight: 700;
	letter-spacing: 0.03em;
	text-transform: uppercase;
	color: var(--ih-muted);
}

.ih-calculator__result-value {
	margin: 0;
	font-family: var(--ih-font);
	font-size: 1.2rem;
	font-weight: 600;
	color: var(--ih-text);
	word-break: break-word;
}

.ih-calculator__result-meta {
	margin: 0.4rem 0 0;
	font-size: 0.88rem;
	color: var(--ih-muted);
}

.ih-calculator__result-meta--muted {
	font-style: italic;
}

.ih-calculator__panel {
	padding: 1.15rem 1.25rem;
}

.ih-calculator__panel h3 {
	margin: 0 0 0.85rem;
	font-family: var(--ih-font);
	font-size: 1.15rem;
	color: var(--ih-primary);
}

.ih-calculator__steps {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.65rem;
}

.ih-calculator__step {
	border: 1px solid var(--ih-border);
	border-radius: 8px;
	overflow: hidden;
}

.ih-calculator__step-toggle {
	width: 100%;
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 0.75rem;
	padding: 0.85rem 1rem;
	border: 0;
	background: #fafbfd;
	color: var(--ih-text);
	font: inherit;
	text-align: left;
	cursor: pointer;
}

.ih-calculator__step-toggle:hover {
	background: #f3f6fb;
}

.ih-calculator__step-toggle:focus {
	outline: none;
	box-shadow: inset var(--ih-focus);
}

.ih-calculator__step-title {
	font-weight: 600;
}

.ih-calculator__step-value {
	display: block;
	margin-top: 0.2rem;
	color: var(--ih-muted);
	font-weight: 500;
	font-size: 0.92rem;
}

.ih-calculator__step-body {
	padding: 0 1rem 0.9rem;
	color: var(--ih-muted);
	font-size: 0.92rem;
	border-top: 1px solid var(--ih-border);
}

.ih-calculator__rules {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.85rem;
}

.ih-calculator__rule {
	padding: 0.9rem 1rem;
	border: 1px solid var(--ih-border);
	border-radius: 8px;
	background: #fafbfd;
}

.ih-calculator__rule-source {
	margin: 0 0 0.35rem;
	font-weight: 700;
	color: var(--ih-primary);
	word-break: break-word;
}

.ih-calculator__rule-meta,
.ih-calculator__rule-desc,
.ih-calculator__rule-effect {
	margin: 0.25rem 0 0;
	font-size: 0.9rem;
	color: var(--ih-muted);
	word-break: break-word;
}

.ih-calculator__warnings {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.55rem;
}

.ih-calculator__warning-item {
	padding: 0.75rem 0.9rem;
	border-radius: 8px;
	border: 1px solid #e6d2a8;
	background: var(--ih-warning-bg);
	color: var(--ih-text);
	font-size: 0.92rem;
}

.ih-calculator__disclaimer {
	padding: 1rem 1.15rem;
	background: #f7f8fb;
	border: 1px dashed var(--ih-border);
	border-radius: var(--ih-radius);
	color: var(--ih-muted);
	font-size: 0.88rem;
}

.ih-calculator__disclaimer p {
	margin: 0;
}

.ih-calculator__result-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
}

.ih-calculator__sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.ih-calculator.is-loading .ih-calculator__form {
	opacity: 0.72;
	pointer-events: none;
}

@media (max-width: 480px) {
	.ih-calculator {
		padding: 1rem;
	}

	.ih-calculator__sentence {
		grid-template-columns: 1fr;
	}

	.ih-calculator__button {
		width: 100%;
	}
}

/* Dark mode hooks (aktif değil; ileride açılabilir) */
@media (prefers-color-scheme: dark) {
	.ih-calculator[data-ih-theme="auto"] {
		/* reserved */
	}
}