:root {
    --bg: #f4f7fb;
    --bg-accent: #e9f1ff;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --text: #212529;
    --muted: #6c757d;
    --border: #dee2e6;
    --primary: #0d6efd;
    --primary-dark: #0b5ed7;
    --danger: #dc3545;
    --danger-dark: #bb2d3b;
    --shadow: 0 0.75rem 1.5rem rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Space Grotesk", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(13, 110, 253, 0.08), transparent 28%),
        linear-gradient(180deg, var(--bg-accent), var(--bg));
}

button,
input,
textarea {
    font: inherit;
}

.hidden {
    display: none !important;
}

.app-root {
    min-height: 100vh;
}

.container {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
}

.login-screen {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: min(100%, 420px);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    box-shadow: var(--shadow);
    padding: 32px;
}

.login-card-header {
    margin-bottom: 24px;
    text-align: center;
}

.login-card-header h1 {
    margin: 0;
    font-size: 1.9rem;
}

.field {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

.field span {
    font-size: 0.95rem;
    font-weight: 500;
}

.field input,
.field textarea {
    width: 100%;
    border: 1px solid #ced4da;
    background: #fff;
    border-radius: 0.75rem;
    padding: 0.75rem 0.95rem;
    color: var(--text);
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field input:focus,
.field textarea:focus {
    outline: 0;
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.2);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button.primary {
    background: var(--primary);
    color: #fff;
}

.button.primary:hover {
    background: var(--primary-dark);
}

.button.outline {
    background: #fff;
    border-color: var(--border);
    color: var(--text);
}

.button.outline:hover {
    background: #f8f9fa;
}

.button.danger {
    background: var(--danger);
    color: #fff;
}

.button.danger:hover {
    background: var(--danger-dark);
}

.bootstrap-button,
.submit-button {
    width: 100%;
}

.message {
    min-height: 1.2em;
    margin: 12px 0 0;
    color: var(--muted);
}

.dashboard {
    padding: 32px 0;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.dashboard-header h2,
.surface-header h3,
.token-code {
    margin: 0;
}

.eyebrow {
    margin: 0 0 6px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.78rem;
    color: var(--primary);
}

.dashboard-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.period-badge {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    padding: 0.7rem 0.9rem;
    border-radius: 999px;
    background: rgba(13, 110, 253, 0.1);
    color: var(--primary);
    font-weight: 600;
}

.period-value,
.token-code {
    font-family: "IBM Plex Mono", monospace;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.9fr);
    gap: 24px;
}

.surface {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    box-shadow: var(--shadow);
    padding: 24px;
}

.surface-header {
    margin-bottom: 20px;
}

.surface-header p {
    margin: 8px 0 0;
    color: var(--muted);
}

.admin-form {
    display: grid;
    gap: 2px;
}

.token-list {
    display: grid;
    gap: 16px;
}

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

.token-top,
.token-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.token-bottom {
    margin-top: 14px;
}

.token-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.token-label {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
}

.token-meta {
    margin: 6px 0 0;
    color: var(--muted);
    word-break: break-word;
}

.token-code {
    font-size: clamp(2rem, 5vw, 2.8rem);
    color: var(--primary);
    letter-spacing: 0.06em;
}

.delete-button {
    min-width: 110px;
}

.copy-button {
    min-width: 130px;
}

.ring {
    width: 48px;
    height: 48px;
    transform: rotate(-90deg);
}

.ring-bg,
.ring-bar {
    fill: none;
    stroke-width: 3.5;
}

.ring-bg {
    stroke: rgba(13, 110, 253, 0.12);
}

.ring-bar {
    stroke: var(--primary);
    stroke-linecap: round;
    stroke-dasharray: 100;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 240ms linear;
}

.empty-state {
    padding: 42px 28px;
    text-align: center;
    color: var(--muted);
    background: #f8f9fa;
    border: 1px dashed var(--border);
    border-radius: 1rem;
}

@media (max-width: 920px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-header,
    .token-top,
    .token-bottom {
        flex-direction: column;
        align-items: stretch;
    }

    .dashboard-actions {
        justify-content: space-between;
    }
}