@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=DM+Sans:wght@400;500;600;700&display=swap');

:root {
    --bg: #07090c;
    --bg-2: #0b0e13;
    --surface: #11151b;
    --surface-2: #161b23;
    --surface-3: #1c2230;
    --border: #232a36;
    --border-strong: #2e3645;
    --text: #f1f3f7;
    --muted: #8a94a5;
    --muted-2: #5b6473;
    --primary: #00E5CC;
    --primary-text: #02141a;
    --accent: #00E5CC;
    --accent-dim: #00B8A3;
    --accent-glow: rgba(0,229,204,0.18);
    --success: #21c47a;
    --warning: #f5b73d;
    --danger: #ef4444;
    --radius: 16px;
    --radius-sm: 10px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
    margin: 0;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }

/* ---- Brand ---- */
.brand {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    user-select: none;
}
.brand-logo {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    line-height: 1;
}
.brand-logo .accent { color: var(--accent); }
.brand-tag {
    font-size: 10px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.22em;
    padding: 3px 8px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    line-height: 1;
}

/* ---- Topbar (admin) ---- */
.topbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 32px;
    border-bottom: 1px solid var(--border);
    background: rgba(11,14,19,0.85);
    backdrop-filter: blur(8px);
    position: sticky; top: 0; z-index: 10;
}

.container {
    max-width: 1100px; margin: 32px auto 80px; padding: 0 24px;
    display: flex; flex-direction: column; gap: 20px;
}

/* ---- Card ---- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}
.card h2 {
    margin-top: 0; margin-bottom: 20px;
    font-size: 17px; font-weight: 600;
    letter-spacing: -0.01em;
}

/* ---- Form ---- */
.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } }

label {
    display: flex; flex-direction: column;
    font-size: 12px;
    color: var(--muted);
    gap: 7px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

input[type=text], input[type=email], input[type=password], input[type=number],
select, textarea {
    width: 100%;
    padding: 11px 13px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font: inherit;
    font-size: 14px;
    text-transform: none;
    letter-spacing: 0;
    transition: border-color 0.15s, background 0.15s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--surface-3);
}
textarea { resize: vertical; min-height: 60px; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center; justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font: inherit;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: opacity 0.15s, background 0.15s, border-color 0.15s;
    line-height: 1;
}
.btn-primary {
    background: var(--primary);
    color: var(--primary-text);
    box-shadow: 0 0 0 1px rgba(0,229,204,0.4), 0 8px 24px -8px var(--accent-glow);
}
.btn-primary:hover { background: var(--accent-dim); }
.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border-strong); }
.btn-sm { padding: 5px 11px; font-size: 12px; }
.btn-block { display: flex; width: 100%; padding: 14px 20px; font-size: 15px; }

/* ---- Alerts ---- */
.alert {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #fca5a5;
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-success {
    background: rgba(0, 229, 204, 0.08);
    border-color: rgba(0, 229, 204, 0.3);
    color: var(--accent);
}
.alert a { color: inherit; text-decoration: underline; word-break: break-all; }

/* ---- Invoice table (admin) ---- */
table.invoices {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.invoices th {
    text-align: left;
    padding: 10px 14px;
    color: var(--muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border);
}
.invoices td {
    padding: 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.invoices tr:last-child td { border-bottom: none; }
.invoices tr:hover td { background: rgba(255,255,255,0.015); }

/* ---- Status pills ---- */
.status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.status::before {
    content: "";
    width: 5px; height: 5px;
    border-radius: 50%;
    background: currentColor;
}
.status-pending    { background: rgba(139, 148, 163, 0.12); color: var(--muted); }
.status-processing { background: rgba(245, 183, 61, 0.12); color: var(--warning); }
.status-paid,
.status-completed  { background: rgba(0, 229, 204, 0.12); color: var(--accent); }
.status-failed     { background: rgba(239, 68, 68, 0.12); color: #fca5a5; }
.status-cancelled  { background: rgba(245, 183, 61, 0.12); color: var(--warning); }

.link-input {
    display: inline-block;
    width: 220px;
    padding: 5px 9px;
    font-size: 12px;
    background: var(--surface-2);
    font-family: 'JetBrains Mono', ui-monospace, monospace;
}

/* ---- Auth ---- */
body.auth, body.pay-page {
    display: grid;
    place-items: center;
    padding: 24px;
    background: var(--bg);
    position: relative;
    overflow-x: hidden;
}
body.auth::before, body.pay-page::before {
    content: "";
    position: fixed;
    top: -200px; left: 50%;
    transform: translateX(-50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle at center, var(--accent-glow), transparent 60%);
    pointer-events: none;
    z-index: 0;
    filter: blur(20px);
}
body.auth::after, body.pay-page::after {
    content: "";
    position: fixed; inset: 0;
    background-image:
        radial-gradient(rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent 80%);
}

.auth-card, .pay-card {
    position: relative;
    z-index: 1;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    padding: 36px;
    background: linear-gradient(180deg, rgba(22,27,35,0.9), rgba(17,21,27,0.9));
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 30px 80px -30px rgba(0,0,0,0.6);
}
.auth-card .brand { margin-bottom: 8px; }
.auth-card h1 {
    font-size: 24px;
    font-weight: 700;
    margin: 24px 0 6px;
    letter-spacing: -0.02em;
}
.auth-card .lede { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.auth-card form { display: flex; flex-direction: column; gap: 14px; }
.auth-card .btn { margin-top: 8px; }

/* ---- Pay page (public) ---- */
.pay-card {
    width: 100%;
    max-width: 460px;
    background: linear-gradient(180deg, rgba(22,27,35,0.95), rgba(17,21,27,0.95));
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 40px 100px -30px rgba(0,0,0,0.7);
    overflow: hidden;
}

.pay-header {
    padding: 24px 32px;
    display: flex;
    justify-content: center;
    border-bottom: 1px dashed var(--border);
}

.pay-body { padding: 28px 32px 8px; }

.pay-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted-2);
}
.pay-meta .label { color: var(--muted-2); margin-bottom: 4px; }
.pay-meta .value { color: var(--text); font-weight: 600; text-transform: none; letter-spacing: normal; font-size: 13px; }

.pay-bill-to {
    margin-bottom: 22px;
}
.pay-bill-to .label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted-2);
    margin-bottom: 4px;
}
.pay-bill-to .value {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}
.pay-bill-to .email {
    font-size: 13px;
    color: var(--muted);
}

.pay-line-item {
    padding: 18px 0;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}
.pay-line-item .desc {
    color: var(--text);
    font-size: 14px;
    line-height: 1.55;
    flex: 1;
    white-space: pre-line;
}
.pay-line-item .price {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
}

.pay-total {
    padding: 22px 0 6px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}
.pay-total .label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    font-weight: 500;
}
.pay-total .amount {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text);
}
.pay-total .amount .currency {
    font-size: 16px;
    font-weight: 600;
    color: var(--muted);
    margin-left: 6px;
    letter-spacing: 0.05em;
}

.pay-cta { padding: 28px 32px 18px; }
.pay-cta .btn-block { padding: 16px 20px; font-size: 16px; }

.pay-email-form { display: flex; flex-direction: column; }
.pay-email-label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    font-weight: 600;
}
.pay-email-label input {
    margin-top: 0;
    padding: 13px 14px;
    font-size: 15px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    text-transform: none;
    letter-spacing: normal;
    font-weight: 400;
}
.pay-email-label input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--surface-3);
}

.pay-footer {
    padding: 14px 32px 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    color: var(--muted-2);
    font-size: 12px;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}
.pay-footer svg { color: var(--muted-2); }
.pay-footer .stripe-mark {
    color: var(--muted);
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
    body { font-size: 14px; }

    body.auth, body.pay-page { padding: 16px; }

    .topbar { padding: 14px 16px; }

    .container { margin: 20px auto 60px; padding: 0 16px; gap: 16px; }
    .card { padding: 20px; }

    .auth-card { padding: 24px 22px; max-width: 100%; }
    .auth-card h1 { font-size: 22px; margin-top: 20px; }

    .pay-card { max-width: 100%; }
    .pay-header { padding: 22px 22px; }
    .pay-body { padding: 22px 22px 4px; }
    .pay-cta { padding: 22px 22px 16px; }
    .pay-footer { padding: 14px 22px 20px; }
    .paid-state { padding: 36px 22px 28px; }

    .pay-meta { margin-bottom: 20px; gap: 16px; }
    .pay-meta .label { font-size: 10px; }
    .pay-meta .value { font-size: 12px; }

    .pay-bill-to .value { font-size: 14px; }
    .pay-line-item { padding: 16px 0; gap: 14px; }
    .pay-line-item .desc { font-size: 13px; }
    .pay-line-item .price { font-size: 14px; }

    .pay-total { padding: 20px 0 4px; flex-direction: row; align-items: baseline; }
    .pay-total .label {
        font-size: 11px;
        white-space: nowrap;
        flex-shrink: 0;
        align-self: center;
    }
    .pay-total .amount { font-size: 28px; }
    .pay-total .amount .currency { font-size: 13px; margin-left: 4px; }

    .pay-cta .btn-block { padding: 14px 16px; font-size: 15px; }

    .paid-state h1 { font-size: 24px; }
    .paid-state .paid-amount { font-size: 26px; }
    .paid-icon { width: 56px; height: 56px; }

    /* Form inputs need >=16px text or iOS zooms in on focus */
    input[type=text], input[type=email], input[type=password], input[type=number],
    select, textarea { font-size: 16px; }

    /* Dashboard table: horizontal scroll on mobile */
    .invoices-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -20px;
        padding: 0 20px;
    }
    .invoices { min-width: 720px; }

    .brand-logo { font-size: 18px; }
    .brand-tag { font-size: 9px; padding: 2px 6px; }
}

@media (max-width: 380px) {
    .pay-total .amount { font-size: 24px; }
    .pay-cta .btn-block { font-size: 14px; }
}

/* Paid state */
.paid-state {
    padding: 48px 32px 36px;
    text-align: center;
}
.paid-icon {
    width: 64px; height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: grid; place-items: center;
    background: rgba(0, 229, 204, 0.12);
    color: var(--accent);
    box-shadow: 0 0 0 8px rgba(0, 229, 204, 0.05);
}
.paid-state h1 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
}
.paid-state p { color: var(--muted); margin: 4px 0; }
.paid-state .paid-amount {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin: 16px 0 6px;
    letter-spacing: -0.02em;
}
.paid-state .paid-receipt {
    font-size: 12px;
    color: var(--muted-2);
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px dashed var(--border);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}