:root {
    color-scheme: dark;
    --bg: #050505;
    --surface: #111113;
    --surface-2: #18181c;
    --border: #27272f;
    --text: #f8fafc;
    --muted: #a1a1aa;
    --accent: #34d399;
    --accent-2: #161df9;
    --danger: #fb7185;
    --success: #34d399;
    --shadow: 0 24px 70px rgba(0, 0, 0, .5);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--bg);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 15% -10%, rgba(250, 204, 21, .18), transparent 32rem),
        radial-gradient(circle at 100% 10%, rgba(249, 115, 22, .14), transparent 28rem),
        var(--bg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
    font: inherit;
}

input[type="checkbox"] {
    min-height: auto;
    width: auto;
    accent-color: var(--accent);
}

.app-shell {
    width: min(100%, 30rem);
    min-height: 100vh;
    margin: 0 auto;
    padding: max(1rem, env(safe-area-inset-top)) 1rem max(1.25rem, env(safe-area-inset-bottom));
}

.top-bar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: .75rem;
}

.language-selector {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-size: .8rem;
    font-weight: 800;
}

.language-selector select {
    width: auto;
    min-height: 2.5rem;
    padding-right: 2rem;
}

.app-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: grid;
    gap: .85rem;
    padding: .8rem 0 1rem;
    background: linear-gradient(180deg, rgba(5, 5, 5, .98), rgba(5, 5, 5, .78), transparent);
    backdrop-filter: blur(14px);
}

.brand-row,
.brand-center {
    display: flex;
    align-items: center;
    gap: .8rem;
}

.brand-center {
    flex-direction: column;
    text-align: center;
    gap: .4rem;
}

.brand-icon,
.login-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    padding: .35rem;
    object-fit: contain;
    box-shadow: 0 14px 34px rgba(250, 204, 21, .2);
}

.login-icon {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 1.4rem;
}

h1,
h2,
p {
    margin: 0;
}

h1 {
    font-size: 1.25rem;
    line-height: 1.15;
}

h2 {
    font-size: 1.65rem;
}

.eyebrow {
    color: var(--accent);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.balance-card,
.card {
    border: 1px solid var(--border);
    border-radius: 1.35rem;
    background: linear-gradient(180deg, rgba(24, 24, 28, .96), rgba(12, 12, 14, .96));
    box-shadow: var(--shadow);
}

.balance-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .85rem;
    padding: .9rem 1rem;
}

.balance-card span,
.meta,
label,
.empty-state {
    color: var(--muted);
}

.balance-card strong {
    display: block;
    color: var(--success);
    font-size: 1.35rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: .45rem;
}

.card {
    padding: 1rem;
}

.auth-card {
    margin-top: clamp(3rem, 12vh, 7rem);
    padding: 1.3rem;
}

.form-grid {
    display: grid;
    gap: .95rem;
}

.compact-form {
    gap: .7rem;
}

label {
    display: grid;
    gap: .42rem;
    font-size: .86rem;
    font-weight: 700;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: .55rem;
}

input,
select {
    width: 100%;
    min-height: 3.1rem;
    border: 1px solid var(--border);
    border-radius: 1rem;
    outline: none;
    color: var(--text);
    background: #09090b;
    padding: 0 .95rem;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    padding: 1rem;
    background: rgba(0, 0, 0, .72);
    backdrop-filter: blur(10px);
}

.modal-card {
    display: grid;
    width: min(100%, 26rem);
    gap: 1rem;
    padding: 1.1rem;
    border: 1px solid var(--border);
    border-radius: 1.35rem;
    background: linear-gradient(180deg, rgba(24, 24, 28, .98), rgba(12, 12, 14, .98));
    box-shadow: var(--shadow);
}

.modal-card p:not(.eyebrow) {
    color: var(--text);
    line-height: 1.45;
}

input:focus,
select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(250, 204, 21, .12);
}

.primary-button,
.secondary-button,
.danger-button,
.ghost-button,
.icon-button,
.tab {
    min-height: 3rem;
    border: 0;
    border-radius: 1rem;
    cursor: pointer;
    font-weight: 900;
}

.primary-button {
    color: #181000;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.secondary-button {
    color: var(--text);
    background: var(--surface-2);
    border: 1px solid var(--border);
}

.danger-button {
    color: #fff;
    background: linear-gradient(135deg, #be123c, #fb7185);
}

.ghost-button,
.icon-button {
    color: var(--text);
    background: rgba(255, 255, 255, .06);
    border: 1px solid var(--border);
}

.ghost-button {
    min-height: 2.55rem;
    padding: 0 .8rem;
}

.icon-button {
    width: 2.55rem;
    min-height: 2.55rem;
    padding: 0;
    font-size: 1.2rem;
}

button:disabled {
    cursor: not-allowed;
    filter: grayscale(.7);
    opacity: .58;
}

.tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .55rem;
    margin: .35rem 0 1rem;
    padding: .35rem;
    border: 1px solid var(--border);
    border-radius: 1.2rem;
    background: rgba(17, 17, 19, .85);
}

.tab {
    color: var(--muted);
    background: transparent;
}

.tab.active {
    color: #181000;
    background: var(--accent);
}

.section-stack {
    display: grid;
    gap: 1rem;
}

.two-col,
.action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .75rem;
}

.user-card h3 {
    margin: 0 0 .35rem;
    font-size: 1.2rem;
}

.meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .7rem;
    margin: .9rem 0;
}

.meta-box {
    padding: .8rem;
    border: 1px solid var(--border);
    border-radius: 1rem;
    background: rgba(255, 255, 255, .03);
}

.meta-box span {
    display: block;
    color: var(--muted);
    font-size: .76rem;
}

.meta-box strong {
    display: block;
    margin-top: .25rem;
    overflow-wrap: anywhere;
}

.inline-form {
    display: grid;
    gap: .6rem;
    margin-top: .85rem;
}

.toast {
    position: fixed;
    right: 1rem;
    bottom: max(1rem, env(safe-area-inset-bottom));
    left: 1rem;
    z-index: 50;
    max-width: 28rem;
    margin: 0 auto;
    padding: .95rem 1rem;
    border: 1px solid var(--border);
    border-radius: 1rem;
    color: var(--text);
    background: rgba(24, 24, 28, .98);
    box-shadow: var(--shadow);
}

.hidden {
    display: none !important;
}

@media (min-width: 520px) {
    .app-shell {
        padding-inline: 0;
    }
}