:root {
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
    font-weight: 400;
    color: #e5eefc;
    background: #0f172a;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-width: 320px;
    min-height: 100vh;
    background: radial-gradient(circle at top, rgba(59, 130, 246, 0.35), transparent 35%),
                linear-gradient(180deg, #0f172a, #111827);
    color: #e5eefc;
}

.page-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem;
}

.auth-card {
    width: min(100%, 460px);
    padding: 2rem;
    border-radius: 24px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.45);
}

.card-header {
    margin-bottom: 1.5rem;
}

.eyebrow {
    margin: 0 0 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
    color: #93c5fd;
}

h1 {
    margin: 0;
    font-size: 2rem;
    letter-spacing: -0.02em;
}

.subtitle {
    margin: 0.75rem 0 0;
    color: #cbd5e1;
}

.auth-form {
    display: grid;
    gap: 1rem;
}

.field {
    display: grid;
    gap: 0.5rem;
}

.field span {
    color: #dbeafe;
    font-size: 0.95rem;
}

.field input {
    width: 100%;
    padding: 0.875rem 1rem;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: rgba(15, 23, 42, 0.75);
    color: #f8fafc;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input::placeholder {
    color: #94a3b8;
}

.field input:focus {
    outline: none;
    border-color: #60a5fa;
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.2);
}

.primary-btn,
.secondary-btn,
.secondary-link {
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 600;
}

.primary-btn,
.secondary-btn {
    padding: 0.95rem 1rem;
    cursor: pointer;
}

.primary-btn {
    margin-top: 0.5rem;
    border: 0;
    color: #fff;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 32px rgba(37, 99, 235, 0.35);
}

.secondary-btn,
.secondary-link {
    border: 1px solid rgba(148, 163, 184, 0.35);
    color: #93c5fd;
    background: transparent;
    text-decoration: none;
    text-align: center;
}

.secondary-btn:hover,
.secondary-link:hover {
    background: rgba(96, 165, 250, 0.1);
    border-color: #60a5fa;
}

.button-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.scope-list {
    margin: 0;
    padding: 0.875rem 1rem;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 14px;
}

.scope-list legend {
    padding: 0 0.35rem;
    color: #93c5fd;
    font-size: 0.9rem;
}

.scope-item {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    margin: 0.35rem 0;
}

.scope-item span {
    display: grid;
    gap: 0.15rem;
}

.scope-copy {
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 400;
}

.alert,
.info {
    margin: 0 0 1rem;
    padding: 0.75rem 0.9rem;
    border-radius: 10px;
    font-size: 0.95rem;
}

.alert {
    background: rgba(220, 38, 38, 0.18);
    border: 1px solid rgba(248, 113, 113, 0.4);
    color: #fecaca;
}

.info {
    background: rgba(37, 99, 235, 0.18);
    border: 1px solid rgba(96, 165, 250, 0.4);
    color: #dbeafe;
}

.error-meta {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 12px;
    padding: 0.8rem 1rem;
    margin: 0 0 1rem;
}

.error-meta p {
    margin: 0.2rem 0;
}