/* Typography & Theme */
@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap');

:root {
    --purple-50: #F4F1FF;
    --purple-100: #E9E4FF;
    --purple-200: #D7CEFF;
    --purple-300: #B9ADFF;
    --purple-400: #9B8BFF;
    --purple-500: #7B61FF;
    --purple-600: #6E54F5;
    --purple-700: #5D46D9;
    --purple-800: #4A3AB3;
    --purple-900: #3A2D8C;

    --surface: #ffffff;
    --surface-muted: #faf9ff;
    --text-primary: #231b47;
    --text-muted: #6b6b83;
    --border-strong: rgba(123, 97, 255, 0.2);
    --shadow-1: 0 18px 45px rgba(123, 97, 255, 0.12);
    --shadow-2: 0 26px 60px rgba(123, 97, 255, 0.22);
    --radius-lg: 1rem;
    --radius-md: .75rem;
    --radius-pill: 999px;
}

body, .date-converter-surface, .date-converter-container {
    font-family: 'Vazirmatn', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    color: var(--text-primary);
}

.date-converter-container {
    max-width: 960px;
    margin: 0 auto;
}

.date-converter-surface {
    /* پس‌زمینه بسیار لطیف و خنثی‌تر برای هماهنگی با کارت‌های سفید */
    background: linear-gradient(180deg, #F7F7FC 0%, #F2F3FB 100%);
    padding: 2.5rem 0 3rem;
}

.text-purple {
    color: var(--purple-600) !important;
}

.page-title {
    color: #111111 !important; /* مشکی */
}
.page-title .page-title-bg {
    display: inline-block;
    background-color: transparent; /* حذف بک‌گراند */
    padding: 0;
    border-radius: 0;
    line-height: 1.2;
}

.converter-card {
    border-radius: var(--radius-lg);
    border: none;
    background: linear-gradient(180deg, #FFFFFF 0%, #FFFFFF 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-1);
    outline: 1px solid rgba(35, 27, 71, 0.07);
}

.converter-section-icon {
    font-size: 1.75rem;
    line-height: 1;
}

.tool-nav .btn {
    border-radius: var(--radius-pill);
    padding: .38rem .95rem;
    font-weight: 600;
    font-size: .9rem;
    backdrop-filter: blur(6px);
}

/* Improve visibility of top navigation chips on purple background */
.tool-nav {
    gap: .5rem;
}
.tool-nav .btn-outline-purple {
    color: var(--purple-900);
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 6px 14px rgba(35, 27, 71, 0.12);
}
.tool-nav .btn-outline-purple:hover,
.tool-nav .btn-outline-purple:focus {
    color: #ffffff;
    background-color: var(--purple-700);
    border-color: var(--purple-700);
    transform: translateY(-1px);
    box-shadow: 0 14px 26px rgba(123, 97, 255, 0.35);
}

.converter-switch .form-check-input {
    width: 3.2rem;
    height: 1.6rem;
    cursor: pointer;
    border: none;
    background-color: var(--purple-200);
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.converter-switch .form-check-input:checked {
    background-color: var(--purple-600);
    box-shadow: 0 0 0 0.25rem rgba(123, 97, 255, 0.22);
}

.converter-switch .form-check-input:focus {
    box-shadow: 0 0 0 0.25rem rgba(123, 97, 255, 0.28);
}

.reverse-direction-label {
    min-width: 180px;
    text-align: right;
}

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

/* Inputs */
.form-control, .form-select {
    border-radius: var(--radius-md);
    border: 1px solid rgba(35, 27, 71, 0.12);
    background: var(--surface);
    color: var(--text-primary);
    box-shadow: 0 2px 0 rgba(0,0,0,.01);
}
.form-control:focus, .form-select:focus {
    border-color: var(--purple-500);
    box-shadow: 0 0 0 .25rem rgba(123, 97, 255, 0.2);
}

.btn-purple {
    background-color: var(--purple-700);
    border: none;
    color: #ffffff;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-purple:hover,
.btn-purple:focus {
    color: #ffffff;
    transform: translateY(-1px);
    background-color: var(--purple-800);
    box-shadow: 0 20px 38px rgba(123, 97, 255, 0.4);
}

.btn-outline-purple {
    color: var(--purple-700);
    border-color: rgba(123, 97, 255, 0.6);
    font-weight: 600;
    background-color: transparent;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.btn-outline-purple:hover,
.btn-outline-purple:focus {
    color: #ffffff;
    background-color: var(--purple-700);
    border-color: var(--purple-700);
    box-shadow: 0 10px 20px rgba(123, 97, 255, 0.25);
}

.quick-actions .btn {
    border-radius: var(--radius-pill);
    padding-inline: 1.1rem;
}

.quick-actions-label {
    letter-spacing: 0.02em;
}

.text-transparent {
    color: transparent !important;
}

.conversion-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 220px;
}

.conversion-results-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #FFFFFF 100%);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(123, 97, 255, 0.12);
    padding: 2rem 1.75rem 1.75rem;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s ease, transform 0.35s ease;
    border: 1px solid rgba(35, 27, 71, 0.06);
}

.conversion-results-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.conversion-results-card__header {
    border-bottom: 1px solid var(--border-strong);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.conversion-results-card__title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #111111;
}

.conversion-results-card__underline {
    display: block;
    width: 70px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--purple-600) 0%, rgba(123, 97, 255, 0.25) 100%);
}

.result-tab {
    display: inline-block;
    background-color: var(--purple-700);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem 0 0 0.5rem;
    position: relative;
    font-weight: 700;
}

.result-tab::after {
    content: "";
    position: absolute;
    right: -10px;
    top: 0;
    width: 0;
    height: 0;
    border-top: 22px solid var(--purple-700);
    border-bottom: 22px solid var(--purple-700);
    border-right: 10px solid transparent;
}

.result-table {
    border-radius: 0.75rem;
    overflow: hidden;
    background-color: #ffffff;
    border: 1px solid rgba(35, 27, 71, 0.08);
}

.result-table tr + tr td {
    border-top: 1px solid rgba(35, 27, 71, 0.07);
}

.result-table td {
    padding: 0.9rem 1rem;
    vertical-align: middle;
}
.result-table tr:hover td { background: #FAFBFF; }

.result-label {
    width: 140px;
    font-weight: 700;
    color: #111111;
    white-space: nowrap;
}

.result-value {
    font-weight: 700;
    color: #111111;
}

.result-short {
    text-align: left;
    font-size: 0.9rem;
}

.conversion-results-card__body {
    padding-bottom: 1rem;
}

.date-result-entry {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 0.9rem;
    padding: 1.25rem;
    box-shadow: 0 12px 24px rgba(123, 97, 255, 0.08);
    min-height: 150px;
}

.date-result-icon {
    font-size: 1.35rem;
}

.result-date {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.5;
    color: #2f2a4a;
}

.result-date__animal {
    font-size: 1rem;
    margin-top: 0.25rem;
}

.today-summary {
    background-color: #F3F4FA;
    padding: 0.85rem 1rem;
    border-radius: 0.75rem;
    font-weight: 500;
    color: #4c3d9b;
}

.btn-copy-results span[aria-hidden="true"] {
    font-size: 1.1rem;
}

/* Copy results button – make it prominent */
.btn-copy-results {
    background-color: var(--purple-700);
    color: #ffffff !important;
    border-color: var(--purple-700);
    border-radius: var(--radius-pill);
    padding: .45rem .95rem;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(123, 97, 255, 0.25);
    transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.btn-copy-results:hover,
.btn-copy-results:focus {
    background-color: var(--purple-800);
    border-color: var(--purple-800);
    transform: translateY(-1px);
    box-shadow: 0 16px 28px rgba(123, 97, 255, 0.35);
}

@media (max-width: 768px) {
    .converter-card {
        padding: 1.75rem 1.25rem;
    }

    .reverse-direction-label {
        text-align: left;
    }
}

@media (max-width: 576px) {
    .date-input-grid {
        gap: 0.5rem;
    }

    .converter-switch {
        gap: 1rem;
    }

    .converter-results-card {
        padding: 1.75rem 1.25rem;
    }

    .date-result-entry {
        min-height: auto;
    }
}

@media (prefers-color-scheme: dark) {
    .converter-card {
        background: linear-gradient(180deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.14) 100%);
        outline: 1px solid rgba(255,255,255,.12);
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
    }

    .date-converter-surface {
        background: radial-gradient(1200px 600px at 20% -20%, rgba(255,255,255,.1) 0%, transparent 60%),
                    linear-gradient(180deg, #4d3fa8 0%, #6a59c7 100%);
    }

    .date-result-entry {
        background: rgba(255,255,255,0.06);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
    }

    .result-date {
        color: #f0f0f7;
    }

    .conversion-results-card {
        background: linear-gradient(135deg, rgba(255,255,255,.08) 0%, rgba(255,255,255,.12) 100%);
        box-shadow: 0 24px 45px rgba(0, 0, 0, 0.65);
    }

    .conversion-results-card__header {
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }

    .today-summary {
        background-color: rgba(123, 97, 255, 0.18);
        color: #e4ddff;
    }

    .btn-outline-purple:hover,
    .btn-outline-purple:focus {
        box-shadow: 0 10px 30px rgba(123, 97, 255, 0.45);
    }

    .tool-nav .btn-outline-purple {
        color: #ffffff;
        background: rgba(255, 255, 255, 0.12);
        border-color: rgba(255, 255, 255, 0.22);
    }
    .tool-nav .btn-outline-purple:hover,
    .tool-nav .btn-outline-purple:focus {
        background: var(--purple-600);
        border-color: var(--purple-600);
        color: #ffffff;
    }

    .result-table {
        background-color: rgba(255, 255, 255, 0.08);
        border-color: rgba(255, 255, 255, 0.12);
    }

    .result-table tr + tr td {
        border-top-color: rgba(255, 255, 255, 0.08);
    }

    .result-label {
        color: #ded9ff;
    }

    .result-value {
        color: #faf9ff;
    }

    .result-short {
        color: #ded9ff;
    }
}

.toast.text-bg-primary,
.toast.text-bg-success,
.toast.text-bg-danger {
    border-radius: 0.75rem;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.15);
}

.toast .btn-close {
    filter: invert(1) grayscale(100%);
}