:root {
    --primary: #0d6e6e;
    --primary-dark: #0a5555;
    --secondary: #e8f4f4;
    --text: #1a1a1a;
    --muted: #666;
    --border: #d8d8d8;
    --error: #b3261e;
    --success: #1e7a34;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: #fafafa;
}

.topbar {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: white;
}
.topbar .brand { color: white; font-weight: 700; font-size: 1.1rem; text-decoration: none; }
.topbar .spacer { flex: 1; }
.topbar .user { margin-right: 1.5rem; opacity: 0.9; }
.topbar .logout { color: white; text-decoration: underline; }

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

h1 { font-size: 1.6rem; margin-bottom: 1rem; }

.flash {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}
.flash-error { background: #fdecea; color: var(--error); border: 1px solid #f5c6c2; }
.flash-success { background: #eaf6ec; color: var(--success); border: 1px solid #c3e6c9; }

/* Landing page: the two big buttons */
.landing { padding-top: 2rem; }
.landing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
@media (max-width: 560px) {
    .landing-grid { grid-template-columns: 1fr; }
}
.big-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 3rem 1rem;
    border-radius: 16px;
    text-decoration: none;
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    min-height: 220px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.1s ease;
}
.big-button:active { transform: scale(0.98); }
.big-button-new { background: var(--primary); }
.big-button-new:hover { background: var(--primary-dark); }
.big-button-find { background: #4a5a6a; }
.big-button-find:hover { background: #38454f; }
.big-button-icon { font-size: 3.5rem; line-height: 1; }

/* Forms */
.form { display: flex; flex-direction: column; gap: 1.1rem; max-width: 420px; }
.form-inline { max-width: none; flex-direction: row; flex-wrap: wrap; align-items: flex-end; gap: 1rem; }
.form-inline label { flex: 1; min-width: 160px; }
.form-inline label.label-wide { flex: 2.5; min-width: 240px; }
label { display: flex; flex-direction: column; gap: 0.35rem; font-weight: 600; font-size: 0.95rem; color: var(--muted); }
input, select {
    font-size: 1.05rem;
    padding: 0.6rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
}
input:focus, select:focus { outline: 2px solid var(--primary); border-color: var(--primary); }

.btn {
    display: inline-block;
    border: none;
    border-radius: 8px;
    padding: 0.7rem 1.3rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--secondary); color: var(--primary-dark); }
.btn-large { padding: 1rem 1.5rem; font-size: 1.1rem; }

.back-link { display: inline-block; margin-bottom: 1rem; color: var(--primary); text-decoration: none; font-weight: 600; }

/* Search results */
.results { width: 100%; border-collapse: collapse; margin-top: 1.5rem; }
.results th, .results td { text-align: left; padding: 0.7rem 0.6rem; border-bottom: 1px solid var(--border); }
.results th { color: var(--muted); font-size: 0.85rem; text-transform: uppercase; }
.results tbody tr { cursor: pointer; }
.results tbody tr:hover { background: var(--secondary); }
.empty-state { color: var(--muted); margin-top: 2rem; }

/* Patient detail */
.detail-list { display: grid; grid-template-columns: 140px 1fr; row-gap: 0.75rem; margin-top: 1rem; }
.detail-list dt { color: var(--muted); font-weight: 600; }
.detail-list dd { margin: 0; }

/* Login */
.login-box { max-width: 360px; margin: 3rem auto 0; }

/* Registration success */
.success-box { text-align: center; padding-top: 2rem; }
.success-name { font-size: 1.3rem; font-weight: 600; margin: 0.5rem 0 1.5rem; }
.success-puid-label { color: var(--muted); margin-bottom: 0.25rem; }
.success-puid { font-size: 2rem; font-weight: 700; letter-spacing: 0.05em; color: var(--primary); margin: 0 0 2rem; }
.success-actions { display: flex; flex-direction: column; gap: 0.75rem; align-items: center; }