:root {
    --color-bg: #14110b;
    --color-card: #1d1811;
    --color-primary: #d4af37;
    --color-primary-dark: #b8860b;
    --color-text: #f3ead0;
    --color-muted: #b8ab80;
    --color-border: rgba(212, 175, 55, 0.22);
    --color-error: #ff8a80;
    --color-income: #4ade80;
    --color-expense: #f87171;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
}

a {
    color: var(--color-primary);
}

.auth-page {
    --gold-1: #fff6d5;
    --gold-2: #f3d582;
    --gold-3: #d4af37;
    --gold-4: #9c7a1e;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 18% 18%, rgba(212, 175, 55, 0.20), transparent 42%),
        radial-gradient(circle at 85% 80%, rgba(212, 175, 55, 0.14), transparent 45%),
        radial-gradient(circle at 50% 100%, rgba(212, 175, 55, 0.08), transparent 55%),
        #0b0906;
}

.auth-page::before,
.auth-page::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}

.auth-page::before {
    width: 320px;
    height: 320px;
    top: -80px;
    left: -80px;
    background: radial-gradient(circle, rgba(243, 213, 130, 0.25), transparent 70%);
}

.auth-page::after {
    width: 360px;
    height: 360px;
    bottom: -100px;
    right: -100px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.18), transparent 70%);
}

.auth-logo {
    display: block;
    width: 132px;
    height: 132px;
    margin: 0 auto 20px;
    filter: drop-shadow(0 0 26px rgba(212, 175, 55, 0.65));
}

.page-footer {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 380px;
    margin: 20px auto 0;
    text-align: center;
    color: #7c7156;
    font-size: 10px;
    line-height: 1.6;
}

.page-footer p {
    margin: 0;
}

.auth-box {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 380px;
    background: linear-gradient(165deg, #1d1811 0%, #131009 100%);
    border-radius: 18px;
    padding: 36px 32px;
    color: #f3ead0;
    text-align: center;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55), 0 0 50px rgba(212, 175, 55, 0.08);
}

.auth-box::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, var(--gold-1), var(--gold-3) 35%, var(--gold-4) 55%, var(--gold-2) 80%, var(--gold-1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    pointer-events: none;
}

.auth-box form {
    text-align: left;
}

.auth-box h1 {
    font-size: 30px;
    margin: 0 0 6px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #0a0a0a;
    -webkit-text-fill-color: #0a0a0a;
    -webkit-text-stroke: 1.5px #ffd700;
    text-stroke: 1.5px #ffd700;
    text-shadow:
        0 0 10px rgba(255, 215, 0, 0.9),
        0 0 22px rgba(255, 215, 0, 0.7),
        0 0 40px rgba(255, 215, 0, 0.45);
}

.auth-box .subtitle {
    color: #c9bb92;
    margin: 0 0 26px;
    font-size: 17px;
    letter-spacing: 0.3px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.input-icon-wrap {
    position: relative;
}

.input-icon-wrap .input {
    padding-right: 42px;
}

.toggle-password {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 4px;
    display: flex;
    cursor: pointer;
    color: #a5966a;
}

.toggle-password svg {
    width: 18px;
    height: 18px;
}

.toggle-password:hover {
    color: var(--color-primary);
}

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    background: #221c11;
    color: var(--color-text);
}

.input::placeholder {
    color: #7c7156;
}

.input:-webkit-autofill,
.input:-webkit-autofill:hover,
.input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--color-text);
    -webkit-box-shadow: 0 0 0 1000px #221c11 inset;
    box-shadow: 0 0 0 1000px #221c11 inset;
    caret-color: var(--color-text);
    transition: background-color 5000s ease-in-out 0s;
}

.input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18);
}

.btn {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: 8px;
    padding: 11px 18px;
    font-size: 14px;
    cursor: pointer;
    background: linear-gradient(120deg, #c8981f, #ffd700 25%, #fff6c8 50%, #ffd700 75%, #c8981f);
    background-size: 260% 100%;
    background-position: 0% 0%;
    color: #2b1d02;
    font-weight: 800;
    letter-spacing: 0.2px;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 0 1px rgba(255, 215, 0, 0.5), 0 12px 30px rgba(255, 200, 0, 0.45), 0 0 40px rgba(255, 215, 0, 0.3);
    animation: btn-shimmer 2.8s ease-in-out infinite;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.btn::after {
    content: "";
    position: absolute;
    top: 0;
    left: -60%;
    width: 40%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.75), transparent);
    transform: skewX(-20deg);
    animation: btn-sweep 3.2s ease-in-out infinite;
}

.btn:hover {
    box-shadow: 0 0 0 1px rgba(255, 215, 0, 0.7), 0 14px 34px rgba(255, 200, 0, 0.6), 0 0 55px rgba(255, 215, 0, 0.45);
    transform: translateY(-1px);
}

@keyframes btn-shimmer {
    0%, 100% { background-position: 0% 0%; }
    50% { background-position: 100% 0%; }
}

@keyframes btn-sweep {
    0% { left: -60%; }
    50% { left: 130%; }
    100% { left: 130%; }
}

.btn-full {
    width: 100%;
}

.error-message {
    color: var(--color-error);
    font-size: 13px;
    margin: 0 0 16px;
}

.warning-message {
    color: var(--color-primary);
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid rgba(212, 175, 55, 0.4);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 600;
    margin: 14px 0 0;
}

.auth-footer {
    margin-top: 20px;
    font-size: 13px;
    color: var(--color-muted);
    text-align: center;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--color-card);
    padding: 14px 24px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.65);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35), 0 1px 12px rgba(212, 175, 55, 0.2);
}

.app-header .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    white-space: nowrap;
}

.app-header .brand img {
    width: 30px;
    height: 30px;
    filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.5));
}

.app-nav {
    display: flex;
    gap: 4px;
    flex: 1;
    flex-wrap: wrap;
}

.app-nav a {
    color: var(--color-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 8px;
}

.app-nav a:hover {
    background: rgba(212, 175, 55, 0.08);
    color: var(--color-text);
}

.app-nav a.active {
    color: var(--color-primary);
    background: rgba(212, 175, 55, 0.15);
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid rgba(212, 175, 55, 0.45);
    border-radius: 8px;
    padding: 8px;
    color: var(--color-primary);
    cursor: pointer;
    order: 2;
}

.nav-toggle svg {
    width: 22px;
    height: 22px;
}

@media (max-width: 860px) {
    .app-header {
        flex-wrap: wrap;
    }

    .app-header .brand {
        order: 1;
        margin-right: auto;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .logout-form {
        order: 3;
    }

    .app-nav {
        display: none;
        order: 4;
        width: 100%;
        flex-direction: column;
        gap: 2px;
        margin-top: 14px;
    }

    .app-nav.open {
        display: flex;
    }

    .app-nav a {
        width: 100%;
        padding: 12px;
    }
}

.btn-sm {
    padding: 7px 14px;
    font-size: 13px;
}

.app-main {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 24px;
}

.greeting {
    margin: 0 0 24px;
    font-size: 21px;
    font-weight: 600;
    color: var(--color-text);
}

.greeting-name {
    color: var(--color-primary);
    font-weight: 800;
    text-shadow: 0 0 16px rgba(212, 175, 55, 0.35);
}

.card {
    background: var(--color-card);
    border: 1px solid rgba(212, 175, 55, 0.65);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35), 0 0 16px rgba(212, 175, 55, 0.12);
}

.card + .card {
    margin-top: 20px;
}

.card h2 {
    margin-top: 0;
    font-size: 17px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.summary-tile {
    background: var(--color-card);
    border: 1px solid rgba(212, 175, 55, 0.65);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35), 0 0 16px rgba(212, 175, 55, 0.12);
}

.summary-tile .label {
    color: var(--color-muted);
    font-size: 13px;
    margin: 0 0 6px;
}

.summary-tile .value {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
}

.value.income {
    color: var(--color-income);
}

.value.expense {
    color: var(--color-expense);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    align-items: end;
}

.form-grid .field {
    margin-bottom: 0;
}

select.input,
textarea.input {
    font-family: inherit;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th, td {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 1px solid var(--color-border);
}

th {
    color: var(--color-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
}

.amount.income {
    color: var(--color-income);
    font-weight: 600;
}

.amount.expense {
    color: var(--color-expense);
    font-weight: 600;
}

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.badge-income {
    background: rgba(74, 222, 128, 0.15);
    color: var(--color-income);
}

.badge-expense {
    background: rgba(248, 113, 113, 0.15);
    color: var(--color-expense);
}

.badge-group {
    background: rgba(212, 175, 55, 0.15);
    color: #f3d582;
}

.limit-bar {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.limit-bar-track {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: rgba(212, 175, 55, 0.12);
    overflow: hidden;
}

.limit-bar-fill {
    height: 100%;
    border-radius: 999px;
    background: var(--color-income);
    transition: width 0.3s ease;
}

.limit-bar-fill.warning {
    background: var(--color-primary);
}

.limit-bar-fill.over {
    background: var(--color-expense);
}

.limit-bar-fill.goal {
    background: var(--color-income);
}

.category-bar-track {
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: rgba(212, 175, 55, 0.12);
    overflow: hidden;
}

.category-bar-fill {
    height: 100%;
    border-radius: 999px;
}

.chart-wrap {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.chart-legend {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
}

.chart-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-legend-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tabs a {
    text-decoration: none;
    color: var(--color-muted);
    background: var(--color-card);
    border: 1px solid rgba(212, 175, 55, 0.65);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
}

.tabs a.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #2b1d02;
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-error);
    cursor: pointer;
    font-size: 13px;
    padding: 0;
}

.empty-state {
    color: var(--color-muted);
    font-size: 14px;
}

.invite-code {
    font-family: "Courier New", monospace;
    font-weight: 700;
    letter-spacing: 1px;
    background: rgba(212, 175, 55, 0.12);
    color: var(--color-primary);
    padding: 2px 8px;
    border-radius: 6px;
}

.actions-row {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 16px;
}

@media print {
    :root {
        --color-bg: #ffffff;
        --color-card: #ffffff;
        --color-primary: #92720a;
        --color-text: #1f2330;
        --color-muted: #6b7280;
        --color-border: #d9dce1;
        --color-income: #16a34a;
        --color-expense: #dc2626;
    }

    .no-print,
    .app-header {
        display: none !important;
    }

    body {
        background: #fff;
    }

    .app-main {
        max-width: 100%;
        padding: 0;
    }

    .card,
    .summary-tile {
        box-shadow: none;
        break-inside: avoid;
    }

    .btn {
        animation: none;
        box-shadow: none;
    }

    .btn::after {
        display: none;
    }
}