:root {
    --primary: #154ea0;
    --surface: #ffffff;
    --muted: #5b708d;
    --border: rgba(21, 78, 160, 0.12);
    --shadow: 0 18px 36px rgba(0, 0, 0, 0.06);
}

* {
    box-sizing: border-box;
}

body {
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    margin: 0;
    background: #f6f8fb;
    color: #0b2455;
}

header {
    padding: 1.5rem 2rem;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

main {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 1.25rem;
    display: grid;
    gap: 1.5rem;
}

.card {
    background: var(--surface);
    border-radius: 18px;
    padding: 1.75rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

h1 {
    margin: 0;
    font-size: clamp(1.8rem, 2.4vw, 2.4rem);
}

h2 {
    margin: 0 0 1rem;
    font-size: 1.2rem;
    color: #0b2455;
}

p {
    margin: 0.35rem 0;
    color: #334155;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

a {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
}

form {
    display: grid;
    gap: 1rem;
}

.form-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

label {
    display: grid;
    gap: 0.35rem;
    font-weight: 600;
    color: #0b2455;
}

input,
select,
textarea {
    border: 1px solid rgba(21, 78, 160, 0.2);
    border-radius: 10px;
    padding: 0.75rem 0.9rem;
    font-size: 1rem;
    color: #0b2455;
    background: #f9fbff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(21, 78, 160, 0.15);
    background: #fff;
}

input[readonly],
select[disabled],
textarea[readonly] {
    background: #f1f5f9;
    color: #5b708d;
    cursor: not-allowed;
}

.button,
button[type="submit"],
input[type="submit"] {
    justify-self: start;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus,
button[type="submit"]:hover,
button[type="submit"]:focus,
input[type="submit"]:hover,
input[type="submit"]:focus {
    background: #0f3a7a;
    box-shadow: 0 10px 24px rgba(21, 78, 160, 0.2);
    transform: translateY(-1px);
    outline: none;
}

.status-message,
.alert-info {
    padding: 0.9rem 1rem;
    border-radius: 12px;
    background: #ecf5ff;
    border: 1px solid rgba(21, 78, 160, 0.15);
    color: #0b2455;
    margin: 0.5rem 0 0.5rem;
}

.error-list,
.alert-danger {
    margin: 0 0 1rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    background: #fef2f2;
    border: 1px solid rgba(220, 38, 38, 0.2);
    color: #991b1b;
}

.error-list ul {
    list-style: disc;
    padding-left: 1.25rem;
    margin: 0;
    gap: 0.35rem;
}

.action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #f9fbff;
}

.logout-form { margin: 0; }

.logout-button {
    background: #fff;
    color: var(--primary);
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 999px;
    padding: 0.55rem 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.logout-button:hover,
.logout-button:focus {
    background: rgba(255, 255, 255, 0.12);
    color: #e2ecff;
    border-color: rgba(255, 255, 255, 0.8);
    outline: none;
}

.actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
    color: #0b2455;
    font-weight: 700;
    font-size: 0.9rem;
}

.muted { color: var(--muted); }