/* =====================================================================
   Tasmim Yar — site stylesheet
   Design tokens: hydrogeology / borehole-log inspired, flat & solid.
   ===================================================================== */
@font-face {
    font-family: IRANSans;
    font-style: normal;
    font-weight: normal;
    src: url(/static/IRANSansX-Regular.woff2) format("woff2"), url(/static/IRANSansX-Regular.woff) format("woff");
    font-display: swap;
}

@font-face {
    font-family: "IRANYekanX VF";
    src: url(/static/IRANYekanXVF.woff) format("woff-variations"), url(/static/IRANYekanXVF.woff) format("woff"), url(/static/IRANYekanXVF.woff2) format("woff2");
    font-display: fallback;
}

:root {
    --color-bg: #EEF0EC;
    --color-surface: #FFFFFF;
    --color-ink: #172224;
    --color-ink-muted: #4B5A5C;
    --color-primary: #1F4959;
    --color-primary-dark: #14333F;
    --color-water: #2F7A8C;
    --color-sediment: #B98A4E;
    --color-alert: #9C4A2E;
    --color-border: #C7CCC4;
    --color-border-strong: #9AA39C;

    --font-display: IRANSans, "IRANYekanX VF", Arial, sans-serif;
    --font-body: IRANSans,"IBM Plex Sans", Arial, sans-serif;
    --font-mono: "IRANYekanX VF", "Courier New", monospace;

    --radius: 2px;
    --border-width: 1px;
    --content-max-width: 880px;
    direction: rtl;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.55;
}

a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}
a:hover { color: var(--color-water); }

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-primary-dark);
    letter-spacing: 0.01em;
    margin: 0 0 0.5em;
}

/* ---------------------------------------------------------------------
   Header + strata-band signature
   --------------------------------------------------------------------- */

.site-header {
    background: var(--color-primary);
}

.site-header__bar {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-header__brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: #fff;
    text-decoration: none;
    letter-spacing: 0.02em;
}
.site-header__brand:hover { color: #fff; }

.site-header__brand-mark {
    display: inline-block;
    width: 10px;
    height: 22px;
    background:
        linear-gradient(
            to bottom,
            var(--color-water) 0%, var(--color-water) 30%,
            var(--color-sediment) 30%, var(--color-sediment) 60%,
            #7C8C6C 60%, #7C8C6C 100%
        );
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}
.site-nav a {
    color: #E6EDEC;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.site-nav a:hover { color: #fff; text-decoration: underline; }

.strata-band {
    display: flex;
    height: 10px;
}
.strata-band span { flex: 1; }
.strata-band span:nth-child(1) { background: var(--color-water); }
.strata-band span:nth-child(2) { background: var(--color-sediment); }
.strata-band span:nth-child(3) { background: var(--color-primary-dark); }
.strata-band span:nth-child(4) { background: #7C8C6C; }
.strata-band span:nth-child(5) { background: var(--color-alert); }

/* ---------------------------------------------------------------------
   Layout
   --------------------------------------------------------------------- */

.site-main {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem;
}

.site-footer {
    border-top: var(--border-width) solid var(--color-border);
    padding: 1.5rem;
    text-align: center;
    color: var(--color-ink-muted);
    font-size: 0.85rem;
}

.panel {
    background: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
}
.panel + .panel { margin-top: 1.5rem; }
.panel--narrow { max-width: 420px; margin: 0 auto; }

.panel__title { font-size: 1.5rem; }
.panel__lede {
    color: var(--color-ink-muted);
    margin-top: -0.25rem;
    margin-bottom: 1.75rem;
}
.panel__actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1rem;
}

/* ---------------------------------------------------------------------
   Forms
   --------------------------------------------------------------------- */

.form-row {
    margin-bottom: 1.25rem;
}
.form-row__label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
    color: var(--color-primary-dark);
}
.form-row__hint {
    display: block;
    color: var(--color-ink-muted);
    font-size: 0.82rem;
    margin-top: 0.3rem;
}

input[type="text"],
input[type="number"],
input[type="password"],
input[type="email"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 0.55rem 0.7rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-ink);
    background: var(--color-surface);
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius);
}
input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--color-water);
    outline-offset: 1px;
}

.map {
    width: 100%;
    height: 400px;
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
}

.btn {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    text-decoration: none;
    text-transform: uppercase;
    padding: 0.65rem 1.4rem;
    border-radius: var(--radius);
    border: var(--border-width) solid transparent;
    cursor: pointer;
}
.btn--primary {
    background: var(--color-primary);
    color: #fff;
}
.btn--primary:hover:not(:disabled) { background: var(--color-primary-dark); }
.btn--primary:disabled {
    background: var(--color-border-strong);
    cursor: not-allowed;
}
.btn--secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn--secondary:hover { background: var(--color-bg); }

ul.errorlist {
    list-style: none;
    margin: 0.3rem 0 0;
    padding: 0;
    color: var(--color-alert);
    font-size: 0.85rem;
}

/* ---------------------------------------------------------------------
   Results
   --------------------------------------------------------------------- */

.result-block { margin-bottom: 2rem; }
.result-block:last-child { margin-bottom: 0; }
.result-block__title {
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: var(--border-width) solid var(--color-border);
    padding-bottom: 0.4rem;
}
.result-block__figure {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    color: var(--color-primary-dark);
}
.result-block--flag {
    border-left: 4px solid var(--color-alert);
    background: #FBF1EC;
    padding: 0.9rem 1.1rem;
}

.meter-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.meter-list__item {
    display: grid;
    grid-template-columns: 220px 1fr 60px;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}
.meter-list__label { color: var(--color-ink-muted); }
.meter-list__value {
    font-family: var(--font-mono);
    text-align: right;
    font-weight: 500;
}
.meter {
    display: block;
    height: 14px;
    background: var(--color-bg);
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius);
    overflow: hidden;
}
.meter__fill { display: block; height: 100%; }
.meter--incrustation .meter__fill { background: var(--color-water); }
.meter--aquifer .meter__fill { background: var(--color-sediment); }
.meter--other .meter__fill { background: var(--color-border-strong); }

.hint { color: var(--color-ink-muted); font-size: 0.82rem; }

/* ---------------------------------------------------------------------
   Diagnosis list / data table
   --------------------------------------------------------------------- */

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}
.data-table th, .data-table td {
    text-align: left;
    padding: 0.65rem 0.75rem;
    border-bottom: var(--border-width) solid var(--color-border);
}
.data-table th {
    font-family: var(--font-display);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.03em;
    color: var(--color-ink-muted);
}

/* ---------------------------------------------------------------------
   Print
   --------------------------------------------------------------------- */

@media print {
    .no-print,
    .site-header,
    .site-footer,
    .panel__actions {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
        font-size: 12pt;
    }

    .site-main {
        max-width: none;
        padding: 0;
        margin: 0;
    }

    .panel {
        border: none;
        padding: 0;
    }

    .result-block {
        break-inside: avoid;
        margin-bottom: 1.2rem;
    }

    .result-block__title {
        border-bottom: 1px solid #000;
        color: #000;
    }

    .result-block--flag {
        background: none;
        border: 1px solid #000;
        border-left: 4px solid #000;
    }

    /* Color can't be relied on in B/W printing — swap the meter fills
       for distinguishable border/hatch treatments per category. */
    .meter {
        border: 1px solid #000;
        background: #fff;
    }
    .meter__fill { background: #000 !important; }
    .meter--incrustation .meter__fill { background-image: repeating-linear-gradient(45deg, #000 0 2px, #fff 2px 4px); background-color: transparent !important; }
    .meter--aquifer .meter__fill { background-image: repeating-linear-gradient(-45deg, #000 0 2px, #fff 2px 4px); background-color: transparent !important; }
    .meter--other .meter__fill { background: #666 !important; }

    a { color: #000; text-decoration: none; }

    @page { margin: 2cm; }
}

.home-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.home-how { margin-top: 1.5rem; }

.home-steps {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--color-ink-muted);
}
.home-steps li { margin-bottom: 0.6rem; }
.home-steps li:last-child { margin-bottom: 0; }

/* Diagnosis form: every section stays visible, including without JavaScript. */
.diagnosis-index {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: 1.5rem;
}
.diagnosis-index a {
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    border-radius: 20px;
    padding: .35rem .8rem;
    text-decoration: none;
    font-size: .85rem;
}
.diagnosis-index a:hover, .diagnosis-index a:focus {
    border-color: var(--color-water);
    background: #e7f3f5;
}
.diagnosis-sections { display: grid; gap: 1.25rem; }
.diagnosis-sections .box {
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-water);
    background: #fbfcfa;
    border-radius: 6px;
    padding: 1.5rem;
    min-width: 0;
}
.diagnosis-sections .form-section.row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1.25rem;
    margin: 0;
}
.diagnosis-sections .form-section .form-row {
    width: auto;
    max-width: none;
    margin-bottom: 1.15rem;
    padding: 0;
}
.diagnosis-sections .form-section__title,
.diagnosis-sections .form-section__hint {
    grid-column: 1 / -1;
}
.diagnosis-sections .form-section__title {
    font-size: 1.12rem;
    padding-bottom: .6rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 1.1rem;
}
.diagnosis-sections .form-section__hint { color: var(--color-ink-muted); }
.diagnosis-sections .map { height: 300px; }
.diagnosis-sections #map-unavailable:not([hidden]) {
    color: var(--color-alert);
    font-weight: 600;
}
.diagnosis-sections [hidden] { display: none !important; }
.form-alert {
    border-right: 4px solid var(--color-alert);
    padding: .8rem 1rem;
    margin-bottom: 1.25rem;
    background: #fbf1ec;
    color: #70351e;
}
.diagnosis-actions {
    margin-top: 1.5rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.diagnosis-actions .hint { margin: 0; }
@media (max-width: 650px) {
    .panel { padding: 1.2rem; }
    .diagnosis-sections .box { padding: 1rem; }
    .diagnosis-sections .form-section.row { grid-template-columns: minmax(0, 1fr); }
    .diagnosis-sections .map { height: 240px; }
    .meter-list__item { grid-template-columns: 1fr 3rem; }
    .meter-list__label { grid-column: 1 / -1; }
}