/* ==========================================================================
   Ledger — design tokens
   Subject: a registrar's fee ledger. Chalkboard green + brass accent + cream
   paper, set in a serif/mono pairing that reads like account-book figures.
   ========================================================================== */

:root {
    --bg-dark:      #1F3A34;
    --bg-dark-2:    #24443c;
    --bg-paper:     #F6F1E3;
    --bg-paper-2:   #EFE8D4;
    --ink:          #1C2B33;
    --ink-soft:     #4B5A5B;
    --brass:        #B98B3E;
    --brass-dark:   #8F6B2E;
    --line:         #DCD2B4;
    --line-dark:    #3A5850;
    --paid:         #3F6B4A;
    --paid-bg:      #E3EEE1;
    --due:          #A63D40;
    --due-bg:       #F6E3E1;
    --cream:        #FBF9F2;

    --font-display: 'Lora', Georgia, serif;
    --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

    --radius: 8px;
    --shadow-card: 0 2px 10px rgba(28, 43, 51, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--bg-paper);
    line-height: 1.55;
}
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0 0 0.4em; line-height: 1.2; }
p { margin: 0 0 1em; }
a { color: inherit; }
.mono { font-family: var(--font-mono); }
img { max-width: 100%; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4em;
    padding: 0.65em 1.3em;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.btn-primary { background: var(--brass); color: var(--cream); }
.btn-primary:hover { background: var(--brass-dark); }
.btn-ghost { background: transparent; border-color: var(--line-dark); color: inherit; }
.btn-ghost:hover { background: rgba(0,0,0,0.04); }
.btn-lg { padding: 0.85em 1.8em; font-size: 1.05rem; }
.btn-sm { padding: 0.45em 1em; font-size: 0.85rem; }
.btn-block { width: 100%; }

.link-arrow { text-decoration: none; font-weight: 600; color: var(--brass-dark); white-space: nowrap; }
.link-button { background: none; border: none; padding: 0; font: inherit; color: var(--brass-dark); font-weight: 600; cursor: pointer; text-decoration: underline; }
.link-danger { color: var(--due); }
.inline-form { display: inline; }

/* ==========================================================================
   Public marketing site
   ========================================================================== */

.site-body { background: var(--bg-paper); }

.brand { display: inline-flex; align-items: center; gap: 0.5em; text-decoration: none; color: inherit; font-weight: 700; font-family: var(--font-display); font-size: 1.25rem; }
.brand-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 1.9rem; height: 1.9rem; border-radius: 6px;
    background: var(--brass); color: var(--cream);
    font-family: var(--font-display); font-size: 1.1rem;
}

.site-nav {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.3rem 5vw; background: var(--bg-dark); color: var(--cream);
}
.site-nav .brand { color: var(--cream); }
.site-nav-links { display: flex; align-items: center; gap: 1.6rem; }
.site-nav-links a { text-decoration: none; color: var(--cream); font-weight: 500; opacity: 0.9; }
.site-nav-links a:hover { opacity: 1; }

.hero {
    display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem;
    align-items: center;
    padding: 5rem 5vw 5rem;
    background: var(--bg-dark);
    color: var(--cream);
}
.eyebrow {
    display: inline-block; font-family: var(--font-mono); font-size: 0.78rem;
    letter-spacing: 0.08em; text-transform: uppercase; color: var(--brass);
    border: 1px solid var(--brass); border-radius: 999px; padding: 0.3em 0.9em;
    margin-bottom: 1.2rem;
}
.hero h1 { font-size: clamp(2rem, 3.6vw, 2.9rem); color: var(--cream); font-weight: 600; }
.hero-sub { font-size: 1.08rem; color: #D9DDD3; max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.6rem; }

.ledger-mock {
    background: var(--cream); border-radius: var(--radius);
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
    overflow: hidden; font-family: var(--font-mono); font-size: 0.85rem;
}
.ledger-mock-head, .ledger-mock-row {
    display: grid; grid-template-columns: 1.4fr 1.3fr 0.9fr 0.8fr;
    padding: 0.8rem 1rem; gap: 0.5rem; align-items: center;
}
.ledger-mock-head { background: var(--bg-paper-2); color: var(--ink-soft); font-weight: 600; border-bottom: 2px solid var(--brass); }
.ledger-mock-row { border-bottom: 1px solid var(--line); color: var(--ink); }
.ledger-mock-row:last-child { border-bottom: none; }
.ledger-mock-row-dim { opacity: 0.85; }

.section { padding: 4.5rem 5vw; }
.section-alt { background: var(--bg-paper-2); }
.section-head { text-align: center; max-width: 46ch; margin: 0 auto 2.8rem; }
.section-head h2 { font-size: 1.9rem; }
.section-head p { color: var(--ink-soft); margin: 0; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; max-width: 1100px; margin: 0 auto; }
.feature-card {
    background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1.8rem; box-shadow: var(--shadow-card);
}
.feature-num { font-family: var(--font-mono); color: var(--brass); font-weight: 600; font-size: 0.9rem; }
.feature-card h3 { margin-top: 0.5rem; font-size: 1.15rem; }
.feature-card p { color: var(--ink-soft); margin-bottom: 0; }

.steps { list-style: none; margin: 0 auto; padding: 0; max-width: 780px; display: flex; flex-direction: column; gap: 1.6rem; }
.steps li { display: flex; gap: 1.2rem; align-items: flex-start; }
.step-num {
    flex: none; width: 2.1rem; height: 2.1rem; border-radius: 50%;
    background: var(--brass); color: var(--cream); display: flex; align-items: center; justify-content: center;
    font-family: var(--font-mono); font-weight: 600;
}
.steps h4 { margin-bottom: 0.25rem; }
.steps p { color: var(--ink-soft); margin-bottom: 0; }

.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.8rem; max-width: 720px; margin: 0 auto; }
.pricing-card {
    background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 2rem; box-shadow: var(--shadow-card); position: relative;
}
.pricing-card-featured { border-color: var(--brass); border-width: 2px; }
.pricing-badge {
    position: absolute; top: -0.8rem; left: 1.5rem; background: var(--brass); color: var(--cream);
    font-size: 0.72rem; font-weight: 600; padding: 0.3em 0.8em; border-radius: 999px;
}
.price { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 600; margin-bottom: 0.1em; }
.pricing-sub { color: var(--ink-soft); font-size: 0.9rem; }
.pricing-list { list-style: none; padding: 0; margin: 1.2rem 0 1.6rem; display: flex; flex-direction: column; gap: 0.6rem; }
.pricing-list li::before { content: "— "; color: var(--brass-dark); }

.cta-band { text-align: center; background: var(--bg-dark); color: var(--cream); }
.cta-band h2 { color: var(--cream); margin-bottom: 1.4rem; }

.site-footer { background: var(--bg-dark-2); color: #C9D0C4; padding: 2.5rem 5vw; }
.site-footer-inner { max-width: 1100px; margin: 0 auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem; }
.site-footer .brand { color: var(--cream); }
.site-footer-links { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.site-footer-links a { text-decoration: none; color: #C9D0C4; font-size: 0.9rem; }
.site-footer-links a:hover { color: var(--cream); }
.site-footer-copy { font-size: 0.8rem; color: #93A093; margin: 0; width: 100%; text-align: center; }

/* ---------- Legal pages ---------- */
.legal-page { max-width: 720px; margin: 0 auto; padding: 4rem 5vw; }
.legal-updated { color: var(--ink-soft); font-size: 0.85rem; margin-bottom: 2rem; }
.legal-page h2 { font-size: 1.2rem; margin-top: 2rem; }
.contact-form { margin-top: 2rem; }

/* ==========================================================================
   Auth pages (login / signup)
   ========================================================================== */

.auth-body {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: var(--bg-dark); padding: 2rem;
}
.auth-card {
    background: var(--cream); border-radius: var(--radius); box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    padding: 2.6rem; width: 100%; max-width: 420px;
}
.auth-brand { display: inline-flex; text-decoration: none; color: var(--brass-dark); font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; margin-bottom: 1.2rem; }
.auth-sub { color: var(--ink-soft); margin-bottom: 1.6rem; }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.auth-switch { text-align: center; margin-top: 1.4rem; color: var(--ink-soft); font-size: 0.9rem; }
.auth-switch a { color: var(--brass-dark); font-weight: 600; text-decoration: none; }

label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.88rem; font-weight: 600; color: var(--ink-soft); }
input, select, textarea {
    font-family: var(--font-body); font-size: 0.95rem; color: var(--ink);
    padding: 0.6em 0.8em; border: 1px solid var(--line); border-radius: 6px; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brass); outline-offset: 1px; }

/* ==========================================================================
   Internal app shell
   ========================================================================== */

.app-body { background: var(--bg-paper-2); }
.app-shell { display: grid; grid-template-columns: 230px 1fr; min-height: 100vh; }

.app-sidebar {
    background: var(--bg-dark); color: var(--cream);
    display: flex; flex-direction: column; padding: 1.6rem 1.2rem;
}
.app-sidebar .brand { color: var(--cream); margin-bottom: 2rem; }
.app-nav { display: flex; flex-direction: column; gap: 0.3rem; flex: 1; }
.app-nav a { padding: 0.6em 0.8em; border-radius: 6px; text-decoration: none; color: #D6DAD1; font-weight: 500; font-size: 0.94rem; }
.app-nav a:hover { background: rgba(255,255,255,0.06); color: var(--cream); }
.app-nav a.active { background: var(--brass); color: var(--cream); }
.app-sidebar-footer { border-top: 1px solid var(--line-dark); padding-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.academy-name { font-size: 0.85rem; color: #B7BFB1; }
.app-sidebar-footer .link-button { color: #D6DAD1; text-decoration: none; font-weight: 500; }

.app-main { padding: 2.4rem 3vw; max-width: 1100px; }

.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.8rem; gap: 1rem; flex-wrap: wrap; }
.page-head h1 { font-size: 1.7rem; margin-bottom: 0.2rem; }
.page-sub { color: var(--ink-soft); margin: 0; }

.flash { padding: 0.8em 1.1em; border-radius: 6px; margin-bottom: 1.4rem; font-size: 0.92rem; }
.flash-success { background: var(--paid-bg); color: var(--paid); }
.flash-error { background: var(--due-bg); color: var(--due); }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-bottom: 2rem; }
.stat-card { background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem; box-shadow: var(--shadow-card); display: flex; flex-direction: column; gap: 0.3rem; }
.stat-label { font-size: 0.82rem; color: var(--ink-soft); font-weight: 600; }
.stat-value { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 600; }
.stat-note { font-size: 0.78rem; color: var(--ink-soft); }
.stat-card-accent .stat-value { color: var(--paid); }
.stat-card-due .stat-value { color: var(--due); }

.panel { background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; box-shadow: var(--shadow-card); margin-bottom: 1.6rem; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.panel-head h2 { font-size: 1.1rem; margin: 0; }
.panel-form { max-width: 640px; }

.empty-state { color: var(--ink-soft); text-align: center; padding: 2rem 0; margin: 0; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.2rem; margin-bottom: 1.4rem; }
.form-grid-full { grid-column: 1 / -1; }

.table-responsive { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.ledger-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.ledger-table th {
    text-align: left; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em;
    color: var(--ink-soft); border-bottom: 2px solid var(--brass); padding: 0.6em 0.8em;
}
.ledger-table td { padding: 0.7em 0.8em; border-bottom: 1px solid var(--line); vertical-align: middle; }
.ledger-table tr:last-child td { border-bottom: none; }
.row-actions { display: flex; gap: 0.9rem; white-space: nowrap; }
.row-actions a { text-decoration: none; color: var(--brass-dark); font-weight: 600; font-size: 0.86rem; }

.stamp {
    display: inline-block; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.05em; padding: 0.3em 0.7em; border-radius: 4px;
    border: 1px solid transparent;
}
.stamp-paid { background: var(--paid-bg); color: var(--paid); border-color: var(--paid); }
.stamp-due { background: var(--due-bg); color: var(--due); border-color: var(--due); }
.stamp-neutral { background: var(--bg-paper-2); color: var(--ink-soft); }
.stamp-large { font-size: 0.85rem; padding: 0.4em 1em; }

/* ---------- Receipt ---------- */
.receipt-body { background: var(--bg-paper-2); min-height: 100vh; padding: 2.5rem 5vw; }
.receipt-toolbar { max-width: 560px; margin: 0 auto 1.4rem; display: flex; justify-content: space-between; align-items: center; }
.receipt-card { max-width: 560px; margin: 0 auto; background: var(--cream); border-radius: var(--radius); box-shadow: var(--shadow-card); padding: 2.2rem; border: 1px solid var(--line); }
.receipt-head { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1.6rem; }
.receipt-head > div { flex: 1; }
.receipt-academy { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; }
.receipt-sub { color: var(--ink-soft); font-size: 0.85rem; }
.receipt-table { width: 100%; border-collapse: collapse; }
.receipt-table th { text-align: left; color: var(--ink-soft); font-weight: 600; font-size: 0.85rem; padding: 0.55em 0; width: 40%; vertical-align: top; }
.receipt-table td { padding: 0.55em 0; border-bottom: 1px dashed var(--line); }
.receipt-amount { font-size: 1.2rem; font-weight: 600; }
.receipt-footer { margin-top: 1.6rem; color: var(--ink-soft); font-size: 0.8rem; text-align: center; }

@media print {
    .no-print { display: none !important; }
    .receipt-body { background: #fff; padding: 0; }
    .receipt-card { box-shadow: none; border: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; padding: 3.2rem 6vw; }
    .feature-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 420px; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .app-shell { grid-template-columns: 1fr; }
    .app-sidebar { flex-direction: row; align-items: center; overflow-x: auto; }
    .app-nav { flex-direction: row; }
    .app-sidebar-footer { flex-direction: row; align-items: center; border-top: none; }
    .app-main { padding: 1.8rem 5vw; }
    .section { padding: 3.2rem 6vw; }
}
@media (max-width: 640px) {
    .site-nav { padding: 1rem 5vw; flex-wrap: wrap; gap: 0.8rem; }
    .site-nav-links { gap: 0.7rem; font-size: 0.88rem; flex-wrap: wrap; justify-content: flex-end; }
    .nav-link-wide { display: none; }
    .hero h1 { font-size: 1.7rem; }
    .hero-sub { max-width: none; }
    .hero-actions .btn { flex: 1 1 auto; text-align: center; }
    .ledger-mock-head, .ledger-mock-row { grid-template-columns: 1.3fr 1fr 0.8fr 0.7fr; font-size: 0.78rem; padding: 0.6rem 0.7rem; }
    .section-head h2 { font-size: 1.5rem; }
    .pricing-card { padding: 1.5rem; }
    .receipt-card { padding: 1.4rem; }
    .receipt-toolbar { flex-wrap: wrap; gap: 0.8rem; }
    .auth-card { padding: 1.8rem; }
    .page-head { flex-direction: column; align-items: flex-start; }
    input, select, textarea { font-size: 16px; }
}
@media (max-width: 560px) {
    .form-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr; }
    .site-nav-links { gap: 0.9rem; font-size: 0.9rem; }
    .ledger-table th, .ledger-table td { padding: 0.6em 0.6em; font-size: 0.86rem; }
    .row-actions { gap: 0.7rem; }
    .btn-lg { padding: 0.75em 1.4em; font-size: 1rem; }
}
@media (max-width: 400px) {
    .app-sidebar .brand-name { display: none; }
    .stat-grid { gap: 0.8rem; }
}