/* smartLAB — Soil Tests Common Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Cairo', sans-serif;
    background: #0a0e1a; color: #e2e8f0; min-height: 100vh;
    padding-top: 64px; color-scheme: dark;
}
:root {
    --accent-blue: #3b82f6; --accent-gold: #fbbf24; --accent-amber: #f59e0b;
    --accent-emerald: #10b981; --accent-red: #f87171; --accent-cyan: #06b6d4;
    --accent-purple: #a855f7; --accent-orange: #fb923c;
    --border-glass: rgba(255,255,255,0.06);
    --text-primary: #f1f5f9; --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --radius-sm: 6px; --radius-md: 10px;
}

/* ===== HEADER ===== */
.app-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 9999;
    background: rgba(10,14,26,0.92); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    padding: 0 32px; height: 64px;
    display: flex; align-items: center; justify-content: space-between;
}
.app-header .header-left { display: flex; align-items: center; gap: 16px; }
.app-header .header-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.app-header .header-logo img { width: 42px; height: 42px; border-radius: 10px; box-shadow: 0 0 20px rgba(59,130,246,0.25); }
.app-header .header-logo span { font-size: 20px; font-weight: 800; color: var(--text-primary); letter-spacing: -0.5px; }
.app-header .header-logo span span { color: var(--accent-gold); }
.app-header .header-nav { display: flex; align-items: center; gap: 2px; margin: 0 12px; }
.app-header .header-nav a { color: var(--text-secondary); text-decoration: none; font-size: 13px; font-weight: 500; padding: 8px 16px; border-radius: var(--radius-sm); transition: all 0.2s; }
.app-header .header-nav a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.header-right { display: flex; align-items: center; gap: 10px; }
.lang-btn { display: flex; align-items: center; gap: 6px; padding: 7px 14px; background: rgba(255,255,255,0.04); border: 1px solid var(--border-glass); border-radius: var(--radius-sm); color: var(--text-secondary); font-family: inherit; font-size: 12px; font-weight: 600; cursor: pointer; text-transform: uppercase; }
.lang-btn:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }
.lang-btn .lang-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-emerald); display: inline-block; }
body.rtl { direction: rtl; text-align: right; }
body.rtl .app-header .header-left { flex-direction: row-reverse; }
body.rtl .app-header .header-right { flex-direction: row-reverse; }
.btn-signout { display: flex; align-items: center; gap: 6px; padding: 7px 14px; background: transparent; border: 1px solid rgba(239,68,68,0.25); border-radius: var(--radius-sm); color: var(--accent-red); font-family: inherit; font-size: 12px; font-weight: 500; cursor: pointer; transition: all 0.2s; }
.btn-signout:hover { background: rgba(239,68,68,0.08); border-color: rgba(239,68,68,0.4); }
.btn-signout svg { width: 15px; height: 15px; }

/* ===== PAGE ===== */
.page { max-width: 960px; margin: 0 auto; padding: 24px 20px 60px; }

/* BILLBOARD */
.billboard { margin-bottom: 20px; border-radius: 12px; background: linear-gradient(135deg, rgba(251,146,60,0.05), rgba(16,185,129,0.05)); border: 1px solid rgba(251,146,60,0.15); padding: 4px; position: relative; overflow: hidden; }
.billboard .bb-inner { position: relative; z-index: 1; display: flex; align-items: center; gap: 20px; padding: 16px 20px; border-radius: 10px; background: rgba(10,14,26,0.85); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); min-height: 90px; }
.billboard .bb-icon { width: 72px; height: 72px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 36px; flex-shrink: 0; border: 1px solid var(--border-glass); background: rgba(255,255,255,0.02); transition: all 0.5s; }
.billboard .bb-title { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; min-height: 24px; }
.billboard .bb-desc { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

/* Level Selector */
.level-top { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; padding: 14px 18px; border-radius: var(--radius-sm); background: rgba(255,255,255,0.02); border: 1px solid var(--border-glass); flex-wrap: wrap; }
.level-top .lt-label { font-size: 13px; font-weight: 600; color: var(--text-primary); white-space: nowrap; }
.level-top .lt-btn { padding: 8px 16px; border-radius: 6px; border: 1px solid var(--border-glass); background: transparent; color: var(--text-secondary); font-size: 12px; font-weight: 500; cursor: pointer; transition: all 0.2s; display: flex; align-items: center; gap: 6px; flex: 1; justify-content: center; }
.level-top .lt-btn:hover { background: rgba(255,255,255,0.04); }
.level-top .lt-btn.active[data-level="quick"] { border-color: var(--accent-amber); color: var(--accent-amber); background: rgba(251,191,36,0.08); }

/* Forms */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 16px; }
.form-field { background: rgba(15,23,42,0.4); border: 1px solid var(--border-glass); border-radius: var(--radius-sm); padding: 16px; }
.form-field label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 8px; }
.form-field input, .form-field select { width: 100%; background: transparent; border: none; color: var(--text-primary); font-size: 14px; font-family: inherit; outline: none; }

/* Buttons */
.btn { padding: 10px 20px; border-radius: var(--radius-sm); font-family: inherit; font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.2s; border: none; display: inline-flex; align-items: center; gap: 8px; }
.btn-primary { background: linear-gradient(135deg, var(--accent-orange), #ea580c); color: #fff; box-shadow: 0 2px 12px rgba(251,146,60,0.3); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(251,146,60,0.45); }
.btn-gold { background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber)); color: #1e1e1e; }

.btn-row { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

/* Result Cards */
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: 24px; }
.result-card { background: linear-gradient(145deg, rgba(251,146,60,0.08), rgba(251,146,60,0.03)); border: 1px solid rgba(251,146,60,0.15); border-radius: var(--radius-md); padding: 24px; transition: all 0.3s; }
.result-card:hover { border-color: rgba(251,146,60,0.3); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(251,146,60,0.1); }
.result-card .result-icon { font-size: 28px; margin-bottom: 12px; }
.result-card .result-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 4px; }
.result-card .result-value { font-size: 28px; font-weight: 700; color: var(--accent-orange); font-family: 'SF Mono', monospace; }

/* Tables */
.table-container { overflow-x: auto; margin-top: 24px; padding: 0 4px; }
.table-container table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 600px; }
.table-container th, .table-container td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border-glass); white-space: nowrap; }
.table-container th { color: var(--accent-orange); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; background: rgba(30,41,59,0.5); position: sticky; top: 0; }
.table-container td { color: var(--text-secondary); }

/* Two Column */
.two-col { display: grid; grid-template-columns: 340px 1fr; gap: 24px; margin-top: 24px; }
.sidebar { background: rgba(15,23,42,0.5); border: 1px solid var(--border-glass); border-radius: var(--radius-md); padding: 24px; height: fit-content; }
.sidebar-title { font-size: 14px; font-weight: 700; color: var(--accent-orange); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border-glass); display: flex; align-items: center; gap: 8px; }
.sidebar-field { margin-bottom: 16px; }
.sidebar-label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 6px; }
.sidebar-input { width: 100%; background: rgba(15,23,42,0.4); border: 1px solid var(--border-glass); border-radius: var(--radius-sm); padding: 10px 12px; color: var(--text-primary); font-size: 13px; font-family: inherit; outline: none; transition: all 0.2s; }
.sidebar-input:focus { border-color: var(--accent-orange); box-shadow: 0 0 0 3px rgba(251,146,60,0.1); }

/* Back Button */
.back-link { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 20px; color: var(--accent-orange); text-decoration: none; font-size: 13px; font-weight: 500; }
.back-link:hover { text-decoration: underline; }
.back-link svg { width: 20px; height: 20px; }

/* Responsive */
@media (max-width: 768px) {
    .page { padding: 24px 16px 40px; }
    .two-col { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
}

/* ===== TABS ===== */
.tab-row { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.tab-btn { padding: 10px 20px; background: rgba(255,255,255,0.04); border: 1px solid var(--border-glass); border-radius: var(--radius-sm); color: var(--text-secondary); font-size: 13px; font-weight: 500; cursor: pointer; transition: all 0.2s; }
.tab-btn:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }
.tab-btn.active { background: rgba(251,146,60,0.15); border-color: var(--accent-orange); color: var(--accent-orange); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ===== SPEC ITEMS ===== */
.spec-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-top: 24px; }
.spec-item { background: rgba(15,23,42,0.4); border: 1px solid var(--border-glass); border-radius: var(--radius-md); padding: 20px; }
.spec-item .spec-title { font-size: 13px; font-weight: 600; color: var(--accent-orange); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.spec-item .spec-desc { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }

/* ===== NOTES ===== */
.notes-section { margin-top: 32px; padding: 20px; background: rgba(251,146,60,0.04); border: 1px solid rgba(251,146,60,0.1); border-radius: var(--radius-md); }
.notes-title { font-size: 14px; font-weight: 600; color: var(--accent-orange); margin-bottom: 12px; }
.notes-list { font-size: 12px; color: var(--text-secondary); line-height: 2; }
.notes-list li { padding-left: 8px; position: relative; }
.notes-list li::before { content: "▸"; position: absolute; left: 0; color: var(--accent-orange); }

/* ===== CHARTS ===== */
.chart-section { background: rgba(251,146,60,0.04); border: 1px solid rgba(251,146,60,0.1); border-radius: var(--radius-md); padding: 24px; margin-top: 24px; }
.chart-title { font-size: 14px; font-weight: 600; color: var(--accent-orange); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.chart-canvas { width: 100%; height: 300px; background: rgba(0,0,0,0.2); border-radius: var(--radius-sm); }

/* ===== FOOTER ===== */
.app-footer { background: rgba(10,14,26,0.95); border-top: 1px solid var(--border-glass); padding: 48px 32px 32px; color: var(--text-secondary); font-size: 13px; position: relative; z-index: 1; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-col h3 { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 16px; }
.footer-col h3 span { color: var(--accent-gold); }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .footer-brand-logo { width: 42px; height: 42px; border-radius: 10px; object-fit: cover; flex-shrink: 0; box-shadow: 0 0 16px rgba(59,130,246,0.2); }
.footer-brand h3 { margin-bottom: 0; }
.footer-col p { line-height: 1.7; color: var(--text-secondary); font-size: 13px; }
.footer-col a { color: var(--text-secondary); text-decoration: none; display: block; padding: 3px 0; transition: color 0.2s; font-size: 13px; }
.footer-col a:hover { color: var(--accent-blue); }
.footer-contact-item { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: 13px; }
.footer-contact-item .flag { font-size: 16px; }
.footer-divider { max-width: 1100px; margin: 28px auto 0; padding-top: 20px; border-top: 1px solid var(--border-glass); text-align: center; font-size: 12px; color: var(--text-muted); }
body.rtl .footer-inner { direction: rtl; }

@media (max-width: 768px) {
    .app-header { padding: 0 16px; height: 56px; }
    .app-header .header-nav a { padding: 6px 10px; font-size: 12px; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 700px) {
    .page { padding: 24px 16px 40px !important; }
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .design-grid { grid-template-columns: 1fr !important; }
}
@media (max-width: 480px) {
    .app-header .header-nav { gap: 0; }
    .app-header .header-nav a { padding: 6px 8px; font-size: 11px; }
    .lang-btn { padding: 5px 10px; font-size: 11px; }
    .footer-inner { grid-template-columns: 1fr; gap: 24px; }
    .app-footer { padding: 32px 20px 24px; }
    .card-grid { grid-template-columns: 1fr; }
    .design-grid { grid-template-columns: 1fr !important; }
}
/* ===================== MANUAL TEST MODE ===================== */
.test-tab-bar {
    display: flex;
    gap: 0;
    margin: 16px 0 20px;
    background: var(--bg-glass);
    border-radius: 10px;
    padding: 4px;
    border: 1px solid var(--border-glass);
}
.test-tab {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    background: transparent;
    color: var(--text-muted);
    transition: all 0.2s;
}
.test-tab.active {
    background: var(--accent-blue);
    color: #fff;
    box-shadow: 0 2px 8px rgba(59,130,246,0.3);
}
.test-tab:hover:not(.active) {
    background: rgba(255,255,255,0.05);
}
.manual-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 12px;
    margin-top: 8px;
}
.manual-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.manual-field label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
}
.manual-field input, .manual-field select {
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-glass);
    background: rgba(255,255,255,0.04);
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
}
.manual-field input:focus, .manual-field select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59,130,246,0.15);
}
.curve-container {
    background: rgba(0,0,0,0.15);
    border-radius: 8px;
    padding: 12px;
    margin-top: 8px;
    display: flex;
    justify-content: center;
    overflow-x: auto;
}
.curve-container canvas {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}
.sl-sub-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 16px;
    background: var(--bg-glass);
    border-radius: 8px;
    padding: 3px;
    border: 1px solid var(--border-glass);
}
.sl-sub-tab {
    flex: 1;
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    background: transparent;
    color: var(--text-muted);
    transition: all 0.2s;
    font-family: inherit;
}
.sl-sub-tab.active {
    background: var(--accent-purple);
    color: #fff;
}
.sl-sub-tab:hover:not(.active) {
    background: rgba(255,255,255,0.05);
}
.manual-alert {
    font-size: 12px;
    padding: 8px 12px;
    border-radius: 6px;
    margin-top: 8px;
}
.manual-alert.success { background: rgba(16,185,129,0.1); border-left: 3px solid var(--accent-emerald); color: var(--accent-emerald); }
.manual-alert.warning { background: rgba(245,158,11,0.1); border-left: 3px solid var(--accent-gold); color: var(--accent-gold); }
.manual-alert.error { background: rgba(239,68,68,0.1); border-left: 3px solid var(--accent-red); color: var(--accent-red); }
.report-input-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.report-input-row .manual-field {
    flex: 1;
    min-width: 160px;
}
@media (max-width: 600px) {
    .manual-grid { grid-template-columns: 1fr; }
    .test-tab { font-size: 12px; padding: 8px 8px; }
}

/* ===================== MANUAL MODE COMPONENTS ===================== */
.section {
    background: linear-gradient(145deg, rgba(15,23,42,0.5), rgba(15,23,42,0.8));
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md, 10px);
    padding: 20px;
    margin-bottom: 16px;
}
.section-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}
.section-title .st-icon { font-size: 18px; }
.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.results-table th {
    text-align: left;
    padding: 10px 14px;
    color: var(--text-secondary);
    font-weight: 600;
    border-bottom: 1px solid var(--border-glass);
    background: rgba(255,255,255,0.02);
}
.results-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-glass);
}
.results-table tr:last-child td { border-bottom: none; }
.results-table .rtd-label { color: var(--text-secondary); }
.results-table .rtd-value { color: var(--text-primary); font-weight: 600; text-align: right; }
.results-table .rtd-unit { color: var(--text-muted); font-size: 11px; padding-left: 4px; }
body.rtl .results-table th { text-align: right; }
body.rtl .results-table .rtd-value { text-align: left; }
.results-two-col { display: flex; gap: 16px; align-items: flex-start; }
.results-two-col .results-table { width: 100%; }
.rtd-status { text-align: center; font-size: 10px; font-weight: 700; white-space: nowrap; }
.rtd-status .badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 9px;
    background: rgba(148,163,184,0.12);
    color: var(--text-secondary);
}
.rtd-status .badge.pass { background: rgba(16,185,129,0.12); color: var(--accent-emerald); }
.rtd-status .badge.fail { background: rgba(239,68,68,0.12); color: var(--accent-red); }
.rtd-status .badge.marginal { background: rgba(251,191,36,0.12); color: var(--accent-amber); }
.btn-blue {
    background: linear-gradient(135deg, var(--accent-blue), #6366f1);
    box-shadow: 0 2px 12px rgba(59,130,246,0.25);
}
.btn-blue:hover { box-shadow: 0 4px 20px rgba(59,130,246,0.45); }
.btn-gold {
    background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
    color: #1a1a2e;
    box-shadow: 0 2px 12px rgba(251,191,36,0.25);
}
.btn-gold:hover { box-shadow: 0 4px 20px rgba(251,191,36,0.45); }
.btn-red {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 2px 12px rgba(239,68,68,0.25);
}
.btn-red:hover { box-shadow: 0 4px 20px rgba(239,68,68,0.45); }
.manual-print-area { display: none; }