/* ==========================================================================
   Islamic Tools — Shared Design System
   Loaded by every tool; tool-specific CSS overrides/extends these.
   ========================================================================== */

.it-tool {
    --it-bg: #fdfcf8;
    --it-surface: #ffffff;
    --it-ink: #1a1a1a;
    --it-ink-soft: #5a5a5a;
    --it-ink-faint: #8a8a8a;
    --it-accent: #0f5132;
    --it-accent-soft: #d1e7dd;
    --it-accent-deep: #0a3a23;
    --it-border: #e5e2d8;
    --it-warn-bg: #fff3cd;
    --it-warn-text: #664d03;
    --it-success-bg: #d1e7dd;
    --it-success-text: #0f5132;
    --it-error-bg: #f8d7da;
    --it-error-text: #842029;
    --it-radius: 8px;
    --it-radius-sm: 6px;
    --it-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.04);

    max-width: 720px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--it-bg);
    color: var(--it-ink);
    border-radius: var(--it-radius);
    border: 1px solid var(--it-border);
    box-shadow: var(--it-shadow);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    box-sizing: border-box;
}

.it-tool *,
.it-tool *::before,
.it-tool *::after {
    box-sizing: border-box;
}

/* Defend against themes that override the hidden attribute with !important or
   high-specificity display rules on descendants. */
.it-tool [hidden] {
    display: none !important;
}

/* Cross-tool navigation strip (rendered above each tool's header when configured) */
.it-tool-nav {
    margin-bottom: 1.25rem;
    padding: 0.6rem 0.9rem;
    background: var(--it-surface);
    border: 1px solid var(--it-border);
    border-radius: var(--it-radius);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    font-size: 0.85rem;
}

.it-tool-nav__label {
    color: var(--it-ink-faint);
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    font-size: 0.72rem;
}

.it-tool-nav__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.75rem;
    align-items: center;
}

.it-tool-nav__item {
    display: inline-flex;
    align-items: center;
}

.it-tool-nav__item + .it-tool-nav__item::before {
    content: "·";
    color: var(--it-ink-faint);
    margin-right: 0.75rem;
    opacity: 0.6;
}

.it-tool-nav__item a {
    color: var(--it-accent);
    text-decoration: none;
    font-weight: 500;
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    transition: background 0.15s;
}

.it-tool-nav__item a:hover {
    background: var(--it-accent-soft);
    text-decoration: underline;
}

.it-tool-nav__item.is-current span {
    color: var(--it-ink);
    font-weight: 600;
    padding: 0.15rem 0.35rem;
}

@media (max-width: 480px) {
    .it-tool-nav {
        font-size: 0.8rem;
    }
    .it-tool-nav__label {
        width: 100%;
    }
}

/* Header */
.it-tool__header {
    text-align: center;
    margin-bottom: 1.75rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--it-border);
}

.it-tool__title {
    margin: 0 0 0.5rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--it-accent);
    letter-spacing: -0.01em;
}

.it-tool__subtitle {
    margin: 0;
    color: var(--it-ink-soft);
    font-size: 0.95rem;
}

/* Generic field/label/input */
.it-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.it-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--it-ink);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.it-info {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--it-accent-soft);
    color: var(--it-accent);
    font-size: 11px;
    font-weight: 700;
    cursor: help;
    border: none;
}

.it-select,
.it-text-input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--it-border);
    border-radius: var(--it-radius-sm);
    background: var(--it-surface);
    color: var(--it-ink);
    font-size: 0.95rem;
    font-family: inherit;
}

.it-select { cursor: pointer; }

.it-select:focus,
.it-text-input:focus {
    outline: 2px solid var(--it-accent);
    outline-offset: 1px;
}

.it-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1.1rem;
    background: var(--it-accent);
    color: #fff;
    border: none;
    border-radius: var(--it-radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s;
}

.it-button:hover { background: var(--it-accent-deep); }
.it-button:disabled { opacity: 0.5; cursor: not-allowed; }

.it-button--ghost {
    background: transparent;
    color: var(--it-accent);
    border: 1px solid var(--it-border);
}

.it-button--ghost:hover {
    background: var(--it-accent-soft);
}

/* Section card */
.it-card {
    padding: 1.25rem;
    background: var(--it-surface);
    border-radius: var(--it-radius);
    border: 1px solid var(--it-border);
}

/* Messages */
.it-message {
    padding: 0.75rem 1rem;
    border-radius: var(--it-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
}

.it-message--warn    { background: var(--it-warn-bg);    color: var(--it-warn-text); }
.it-message--success { background: var(--it-success-bg); color: var(--it-success-text); }
.it-message--error   { background: var(--it-error-bg);   color: var(--it-error-text); }

/* Disclaimer */
.it-disclaimer {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--it-surface);
    border-left: 3px solid var(--it-accent);
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--it-ink-soft);
    line-height: 1.55;
}

.it-disclaimer p { margin: 0; }
.it-disclaimer strong { color: var(--it-ink); }

/* Loading state */
.it-loading {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--it-border);
    border-top-color: var(--it-accent);
    border-radius: 50%;
    animation: it-spin 0.7s linear infinite;
    vertical-align: middle;
}

@keyframes it-spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 600px) {
    .it-tool {
        padding: 1.25rem;
        margin: 1rem;
    }
    .it-tool__title {
        font-size: 1.4rem;
    }
}