/* ===========================================================
   Chap Chap Solutions — stylesheet
   Palette: deep green (trust/paid), brick red (overdue/urgency),
   warm sand background, gold for money figures.
   =========================================================== */

:root {
    --green-deep:   #1B5E3A;
    --green-bright: #2E8B57;
    --red-brick:    #B3392C;
    --red-bright:   #D9483A;
    --sand:         #F7F3EA;
    --sand-panel:   #EFE8D8;
    --ink:          #24291F;
    --ink-soft:     #5B5E52;
    --gold:         #B98A2E;
    --line:         #DCD3BC;
    --white:        #FFFFFF;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--sand);
    color: var(--ink);
    font-family: 'Inter', -apple-system, Segoe UI, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

h1, h2, h3, .brand-word {
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 600;
    color: var(--green-deep);
    margin: 0 0 0.4em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.1rem; }

a { color: var(--green-deep); }

/* ---------- Layout shell ---------- */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 230px;
    flex-shrink: 0;
    background: var(--green-deep);
    color: var(--sand);
    padding: 28px 20px;
    display: flex;
    flex-direction: column;
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 46px;
    height: 46px;
    flex-shrink: 0;
}

.sidebar .brand {
    font-family: 'Fraunces', serif;
    font-size: 1.5rem;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 4px;
}

.sidebar .brand span {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.03em;
    color: var(--green-bright);
    font-family: 'Inter', sans-serif;
    margin-top: 4px;
}

.sidebar nav {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar nav a {
    color: var(--sand);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 0.95rem;
    border-left: 3px solid transparent;
}

.sidebar nav a:hover,
.sidebar nav a.active {
    background: rgba(255,255,255,0.08);
    border-left: 3px solid var(--gold);
}

.sidebar .tagline {
    margin-top: auto;
    font-size: 0.78rem;
    color: rgba(247,243,234,0.6);
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.main {
    flex: 1;
    padding: 32px 40px 60px;
    max-width: 1100px;
}

.sidebar .tagline a.logout-link {
    color: var(--gold);
    text-decoration: none;
    font-size: 0.8rem;
}
.sidebar .tagline a.logout-link:hover { text-decoration: underline; }

.page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-head p {
    color: var(--ink-soft);
    margin: 4px 0 0;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 6px;
    border: none;
    font-size: 0.92rem;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
}

.btn-primary { background: var(--green-deep); color: var(--white); }
.btn-primary:hover { background: var(--green-bright); }

.btn-danger { background: var(--red-brick); color: var(--white); }
.btn-danger:hover { background: var(--red-bright); }

.btn-ghost {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--ink);
}
.btn-ghost:hover { border-color: var(--green-deep); color: var(--green-deep); }

/* ---------- Cards / stat tiles ---------- */
.stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-tile {
    background: var(--white);
    border: 1px solid var(--line);
    border-top: 4px solid var(--green-deep);
    padding: 18px 20px;
}

.stat-tile.accent-red { border-top-color: var(--red-brick); }
.stat-tile.accent-gold { border-top-color: var(--gold); }

.stat-tile .stat-label {
    font-size: 0.8rem;
    color: var(--ink-soft);
    margin-bottom: 6px;
}

.stat-tile .stat-value {
    font-family: 'Fraunces', serif;
    font-size: 1.6rem;
    color: var(--ink);
}

.panel {
    background: var(--white);
    border: 1px solid var(--line);
    padding: 24px 28px;
    margin-bottom: 24px;
}

/* ---------- Forms ---------- */
fieldset {
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 18px 20px 20px;
    margin: 0 0 20px;
}

legend {
    font-family: 'Fraunces', serif;
    color: var(--green-deep);
    padding: 0 8px;
    font-size: 1.05rem;
}

.field-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 18px;
}

.field { display: flex; flex-direction: column; margin-bottom: 4px; }

.field label {
    font-size: 0.83rem;
    color: var(--ink-soft);
    margin-bottom: 5px;
}

.field input,
.field select,
.field textarea {
    padding: 9px 11px;
    border: 1px solid var(--line);
    border-radius: 5px;
    font-family: inherit;
    font-size: 0.95rem;
    background: var(--sand);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: 2px solid var(--green-bright);
    outline-offset: 1px;
    background: var(--white);
}

.items-row {
    display: grid;
    grid-template-columns: 2fr 2fr 1fr auto;
    gap: 10px;
    margin-bottom: 8px;
    align-items: center;
}

#add-item-btn {
    margin-top: 4px;
}

/* Live loan calculation preview */
.calc-preview {
    background: var(--sand-panel);
    border: 1px dashed var(--gold);
    border-radius: 6px;
    padding: 14px 18px;
    margin-top: 6px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px 20px;
}

.calc-preview .calc-item .calc-label { font-size: 0.78rem; color: var(--ink-soft); }
.calc-preview .calc-item .calc-value {
    font-family: 'Fraunces', serif;
    color: var(--gold);
    font-size: 1.15rem;
}
.calc-preview .calc-item.total .calc-value { color: var(--green-deep); }

/* ---------- Tables ---------- */
table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 11px 12px;
    border-bottom: 1px solid var(--line);
    font-size: 0.92rem;
}

th {
    color: var(--ink-soft);
    font-weight: 600;
    font-size: 0.8rem;
}

tbody tr:hover { background: var(--sand-panel); }

.money { font-family: 'Fraunces', serif; color: var(--gold); }

/* ---------- Tabs ---------- */
.tab-nav {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--line);
}

.tab-btn {
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 10px 6px;
    margin-right: 18px;
    font-family: 'Fraunces', serif;
    font-size: 1rem;
    color: var(--ink-soft);
    cursor: pointer;
}

.tab-btn:hover { color: var(--green-deep); }

.tab-btn.active {
    color: var(--green-deep);
    border-bottom-color: var(--green-deep);
}

.tab-panel.hidden,
.hidden { display: none; }

.hint-text {
    font-size: 0.8rem;
    color: var(--ink-soft);
    margin: -8px 0 14px;
}

.doc-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}

.doc-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
}

.doc-list .doc-name { font-weight: 600; }
.doc-list .doc-meta { font-size: 0.8rem; color: var(--ink-soft); }

/* ---------- Status badges ---------- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
}

.badge-active  { background: #E4F1E8; color: var(--green-deep); }
.badge-overdue { background: #F7E3E0; color: var(--red-brick); }
.badge-paid    { background: #E9E4D6; color: var(--ink-soft); }

/* ---------- Alerts / flash messages ---------- */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 0.92rem;
}
.alert-success { background: #E4F1E8; color: var(--green-deep); border: 1px solid var(--green-bright); }
.alert-error   { background: #F7E3E0; color: var(--red-brick); border: 1px solid var(--red-bright); }

.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--ink-soft);
}

/* ---------- Shared helpers (desktop) ---------- */
img, svg { max-width: 100%; }
.main { min-width: 0; }              /* lets wide content scroll instead of stretching the page */
.sidebar-head { display: block; }
.menu-toggle { display: none; }

.inline-form {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}
.filter-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ===========================================================
   Tablets and phones
   =========================================================== */
@media (max-width: 800px) {
    body { font-size: 16px; }

    /* Sidebar turns into a slim top bar with a Menu button */
    .app-shell { flex-direction: column; }
    .sidebar {
        width: auto;
        padding: 12px 16px;
        position: sticky;
        top: 0;
        z-index: 20;
    }
    .sidebar-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .brand-logo { width: 38px; height: 38px; }
    .sidebar .brand { font-size: 1.2rem; }
    .menu-toggle {
        display: inline-block;
        background: rgba(255,255,255,0.12);
        color: var(--white);
        border: 1px solid rgba(255,255,255,0.35);
        border-radius: 6px;
        padding: 9px 16px;
        font-family: inherit;
        font-size: 0.95rem;
        font-weight: 600;
        cursor: pointer;
    }
    .sidebar nav,
    .sidebar .tagline { display: none; }
    .sidebar.open nav { display: flex; margin-top: 14px; }
    .sidebar.open .tagline { display: block; margin-top: 14px; padding-top: 14px; }
    .sidebar nav a { padding: 14px 12px; font-size: 1rem; }
    .sidebar .tagline a.logout-link { font-size: 0.95rem; display: inline-block; padding: 8px 0; }

    .main { padding: 20px 14px 48px; max-width: none; }
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.25rem; }
    .page-head { align-items: stretch; }
    .page-head .btn { text-align: center; }

    .panel { padding: 18px 14px; }
    fieldset { padding: 14px 12px 16px; }
    .field-grid { grid-template-columns: 1fr; }

    /* 16px inputs stop iPhones from zooming in on focus; taller tap targets */
    .field input,
    .field select,
    .field textarea { font-size: 16px; padding: 12px; }
    .btn { padding: 13px 18px; font-size: 1rem; }
    .btn-ghost.remove-item-btn { width: 100%; }

    /* Dashboard tiles: two per row */
    .stat-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-tile { padding: 14px 14px; }
    .stat-tile .stat-value { font-size: 1.15rem; word-break: break-word; }

    /* Collateral item rows stack into a tidy block each */
    .items-row {
        grid-template-columns: 1fr;
        padding: 12px;
        margin-bottom: 12px;
        border: 1px solid var(--line);
        border-radius: 6px;
        background: var(--sand);
    }
    #add-item-btn { width: 100%; }

    .calc-preview { grid-template-columns: 1fr 1fr; }

    /* Forms that sit side by side on desktop stack on phones */
    .inline-form { flex-direction: column; align-items: stretch; }
    .inline-form .btn { width: 100%; }
    .filter-bar .btn { flex: 1 1 calc(50% - 8px); text-align: center; }

    /* Tabs: scroll sideways instead of wrapping awkwardly */
    .tab-nav { overflow-x: auto; white-space: nowrap; }
    .tab-btn { padding: 12px 6px; }

    .doc-list li { flex-direction: column; align-items: stretch; gap: 10px; }
    .doc-list li .btn { text-align: center; }

    /* Key/value tables (loan summary) stay as two columns but wrap long text */
    td, th { padding: 10px 8px; }

    /* Data tables become stacked cards: one card per row, label beside each value */
    table.responsive-table thead { display: none; }
    table.responsive-table,
    table.responsive-table tbody,
    table.responsive-table tr,
    table.responsive-table td { display: block; width: 100%; }
    table.responsive-table tr {
        border: 1px solid var(--line);
        border-radius: 6px;
        margin-bottom: 12px;
        padding: 6px 12px;
        background: var(--white);
    }
    table.responsive-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 14px;
        text-align: right;
        border-bottom: 1px solid var(--line);
        padding: 10px 0;
    }
    table.responsive-table td:last-child { border-bottom: none; }
    table.responsive-table td::before {
        content: attr(data-label);
        font-size: 0.8rem;
        color: var(--ink-soft);
        font-weight: 600;
        text-align: left;
        flex-shrink: 0;
    }
    table.responsive-table td:not([data-label]) { justify-content: stretch; }
    table.responsive-table td:not([data-label]) .btn { width: 100%; text-align: center; }
    tbody tr:hover { background: transparent; }
}

@media (max-width: 380px) {
    .stat-row { grid-template-columns: 1fr; }
    .calc-preview { grid-template-columns: 1fr; }
}