:root {
    /* Project pastel palette */
    --p-yellow: #fbf8cc;
    --p-peach:  #fde4cf;
    --p-red:    #ffcfd2;
    --p-pink:   #f1c0e8;
    --p-purple: #cfbaf0;
    --p-blue:   #a3c4f3;
    --p-sky:    #90dbf4;
    --p-cyan:   #8eecf5;
    --p-teal:   #98f5e1;
    --p-green:  #b9fbc0;

    /* Neutrals */
    --bg: #ffffff;
    --surface: #faf9f7;     /* very light warm gray for section cards */
    --ink: #1a1a1a;         /* near-black text */
    --muted: #6b7280;       /* soft gray body */
    --line: #ececec;

    --primary: #1a1a1a;     /* solid near-black primary button (high contrast) */
    --danger: #c2410c;

    --radius: 20px;
    --radius-sm: 12px;
    --shadow: 0 6px 24px rgba(20, 20, 20, 0.06);
    --shadow-sm: 0 2px 10px rgba(20, 20, 20, 0.05);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Inter", "Noto Sans Thai", -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ----------------------------------------------------------------- Nav */
.nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    max-width: 1080px;
    margin: 0 auto;
    flex-wrap: wrap;
}
.brand {
    font-family: "Fraunces", serif;
    font-weight: 600;
    font-size: 1.25rem;
    text-decoration: none;
    color: var(--ink);
    margin-right: auto;
}
.nav-links { display: flex; gap: 1.5rem; }
.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta { margin-left: 0.5rem; }
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--ink);
}

/* --------------------------------------------------------------- Layout */
.container { max-width: 1080px; margin: 0 auto; padding: 1rem 1.5rem 4rem; }

.page-head { margin: 1.5rem 0 2rem; }
.display {
    font-family: "Fraunces", serif;
    font-weight: 400;
    font-size: clamp(2.4rem, 6vw, 4rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin: 0 0 0.75rem;
    color: var(--ink);
}
.lede { font-size: 1.1rem; color: var(--muted); margin: 0; max-width: 60ch; }

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.25rem;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
h2 { font-family: "Fraunces", serif; font-weight: 500; font-size: 1.5rem; margin: 0 0 1rem; }
h3 { font-family: "Fraunces", serif; font-weight: 500; font-size: 1.2rem; margin: 0 0 1rem; }

/* --------------------------------------------------- Encouragement banner */
.banner {
    border-radius: var(--radius);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.25rem;
    color: var(--ink);
    background: var(--p-teal);
    display: flex;
    align-items: center;
    gap: 1rem;
}
.banner-body { flex: 1; }

/* Mascot image — circular, soft pastel frame, subtle shadow. */
.mascot {
    border-radius: 50%;
    object-fit: cover;
    background: #fff;
    border: 3px solid #fff;
    box-shadow: 0 4px 14px rgba(20, 20, 20, 0.12);
}
.mascot-banner { width: 72px; height: 72px; flex: 0 0 auto; }
.mascot-login { width: 160px; height: 160px; display: block; margin: 0 auto 1rem; }
.banner p {
    margin: 0.4rem 0 0;
    font-family: "Fraunces", serif;
    font-size: 1.35rem;
    line-height: 1.35;
}
.banner-tag {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 600;
    opacity: 0.65;
}
.banner-english  { background: var(--p-teal); }
.banner-thai     { background: var(--p-peach); }
.banner-buddhist { background: var(--p-yellow); }
.banner-christian{ background: var(--p-blue); }

/* ---------------------------------------------------------------- Forms */
.form label, .filter label { display: block; margin-bottom: 1rem; font-size: 0.9rem; color: var(--muted); font-weight: 500; }
input, select {
    display: block;
    width: 100%;
    padding: 0.7rem 0.85rem;
    margin-top: 0.35rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--ink);
}
input:focus, select:focus { outline: none; border-color: var(--p-blue); box-shadow: 0 0 0 3px rgba(163, 196, 243, 0.35); }
.row { display: flex; gap: 1rem; align-items: flex-end; flex-wrap: wrap; }
.row > label { flex: 1; min-width: 140px; }
.filter { display: flex; gap: 1rem; align-items: flex-end; flex-wrap: wrap; margin-bottom: 0; }
.filter label { flex: 1; min-width: 140px; margin-bottom: 0; }
.hint, .empty { color: var(--muted); font-size: 0.9rem; }
.hint a { color: var(--ink); font-weight: 500; }

/* -------------------------------------------------------------- Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.7rem 1.4rem;
    border: 1px solid transparent;
    border-radius: 999px;        /* pill */
    background: #fff;
    color: var(--ink);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: transform 0.05s ease, opacity 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { opacity: 0.88; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--muted); }
.btn-ghost:hover { color: var(--ink); border-color: #d4d4d4; }
.btn-small { padding: 0.4rem 0.85rem; font-size: 0.85rem; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { color: #fff; background: var(--danger); border-color: var(--danger); }
.inline { display: inline; }

/* ----------------------------------------------------- Totals + stats */
.totals { display: flex; gap: 1rem; margin: 1rem 0 1.5rem; flex-wrap: wrap; }
.totals-item { flex: 1; min-width: 140px; border-radius: var(--radius-sm); padding: 1rem 1.25rem; }
.totals-revenue { background: var(--p-green); }
.totals-patients { background: var(--p-sky); }
.totals span, .stat span { display: block; font-size: 0.8rem; color: rgba(26,26,26,0.6); font-weight: 500; }
.totals strong, .stat strong { font-family: "Fraunces", serif; font-size: 1.7rem; font-weight: 500; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; }
.stat { border-radius: var(--radius-sm); padding: 1.1rem 1.25rem; }
.stat-revenue { background: var(--p-green); }
.stat-patients { background: var(--p-sky); }
.stat-days { background: var(--p-yellow); }
.stat-avg { background: var(--p-pink); }

/* ----------------------------------------------------------- Entry rows */
.entry-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
    flex-wrap: wrap;
}
.entry-row:last-child { border-bottom: none; }
.entry-main { flex: 1; min-width: 120px; }
.entry-clinic { font-weight: 600; font-size: 0.98rem; }
.entry-meta { color: var(--muted); font-size: 0.88rem; }
.entry-amount { font-family: "Fraunces", serif; font-size: 1.2rem; font-weight: 500; white-space: nowrap; }
.entry-actions { display: flex; gap: 0.4rem; }

/* -------------------------------------------------------------- Badges */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #1a1a1a;
    white-space: nowrap;
    min-width: 2rem;
}
.badge-clinic { background: var(--p-purple); }
.badge-archived { background: var(--line); color: var(--muted); }

/* --------------------------------------------- Compare to previous month */
.compare { margin: 1.25rem 0 0.5rem; }
.compare h3 { margin-bottom: 0.6rem; }
.compare-row { display: flex; align-items: center; gap: 0.6rem; padding: 0.4rem 0; font-size: 0.98rem; }
.compare-arrow { font-size: 0.9rem; }
.compare-up .compare-arrow { color: #15803d; }
.compare-down .compare-arrow { color: var(--danger); }
.compare-flat .compare-arrow { color: var(--muted); }
.compare-highlight {
    background: var(--p-yellow);
    border-radius: var(--radius-sm);
    padding: 0.8rem 1rem;
    font-size: 0.98rem;
    margin: 0 0 1rem;
}
.chart-sub { font-family: "Inter", sans-serif; font-size: 0.9rem; color: var(--muted); margin: 1.25rem 0 0.5rem; }

/* ----------------------------------------------------------- Export bar */
.export-bar { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--line); }

/* --------------------------------------------------- Day subtotal badges */
.day-subtotal { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ------------------------------------------------------- Work-hours editor */
.hours-form { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.75rem; flex-wrap: wrap; }
.hours-label { font-size: 0.88rem; color: var(--muted); font-weight: 500; }
.hours-input { width: 5rem; margin-top: 0; padding: 0.4rem 0.55rem; }

/* ----------------------------------------------- Manage rows (clinics/types) */
.manage-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--line);
    flex-wrap: wrap;
}
.manage-row:last-child { border-bottom: none; }
.manage-row.is-archived { opacity: 0.6; }
.manage-rename { display: flex; align-items: center; gap: 0.5rem; flex: 1; min-width: 200px; margin: 0; }
.manage-rename input { margin-top: 0; }
.manage-actions { display: flex; align-items: center; gap: 0.5rem; }

canvas { max-width: 100%; }

/* ------------------------------------------------------------- Login */
.login-wrap { max-width: 440px; margin: 8vh auto; padding: 1rem 1.5rem; }
.login-card { padding: 2rem; }
.login-brand { font-family: "Fraunces", serif; font-weight: 600; font-size: 1.15rem; margin-bottom: 1rem; }
.login-title { font-size: clamp(2rem, 7vw, 2.6rem); margin-bottom: 0.5rem; }
.login-form { margin-top: 1.25rem; }
.checkbox-row { display: flex; align-items: center; gap: 0.5rem; }
.checkbox-row input { width: auto; margin: 0; }
.login-error {
    background: var(--p-red);
    color: #1a1a1a;
    border-radius: var(--radius-sm);
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* -------------------------------------------------------- Responsive */
@media (max-width: 720px) {
    .nav-toggle { display: block; order: 3; margin-left: auto; }
    .nav-cta { display: none; }
    .nav-links {
        display: none;
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
        order: 4;
        padding-top: 0.5rem;
    }
    .nav-links.open { display: flex; }
    .brand { margin-right: 0; }
    .entry-amount { order: 2; }
    .entry-actions { order: 3; width: 100%; }
}