:root {
    color-scheme: light dark;
    --bg-color: #f5f6fb;
    --card-bg: #ffffff;
    --text-color: #1f2933;
    --accent-color: #2563eb;
    --accent-color-muted: rgba(37, 99, 235, 0.1);
    --border-color: rgba(15, 23, 42, 0.08);
    --shadow-color: rgba(15, 23, 42, 0.08);
    --error-color: #dc2626;
    --success-color: #16a34a;
}

[data-theme="dark"] {
    --bg-color: #0f172a;
    --card-bg: #111c34;
    --text-color: #e2e8f0;
    --accent-color: #38bdf8;
    --accent-color-muted: rgba(56, 189, 248, 0.1);
    --border-color: rgba(148, 163, 184, 0.15);
    --shadow-color: rgba(15, 23, 42, 0.4);
}

* {
    box-sizing: border-box;
}

body.app-body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Inter', sans-serif;
    background: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.08), transparent 45%),
                radial-gradient(circle at 80% 0%, rgba(56, 189, 248, 0.08), transparent 50%),
                var(--bg-color);
    color: var(--text-color);
    transition: background 0.4s ease, color 0.4s ease;
}

.app-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2.5rem;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.6);
    border-bottom: 1px solid var(--border-color);
    transition: background 0.4s ease;
}

[data-theme="dark"] .app-header {
    background-color: rgba(15, 23, 42, 0.65);
}

.brand {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.app-nav {
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: 0.6rem;
    font-weight: 500;
    transition: background 0.2s ease, color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus {
    background: var(--accent-color-muted);
    color: var(--accent-color);
}

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

.balance-informers {
    display: flex;
    align-items: stretch;
    gap: 0.75rem;
}

.balance-informer {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 9rem;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--card-bg);
    color: inherit;
    font: inherit;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

.balance-informer:disabled {
    cursor: default;
}

.balance-informer:not(:disabled):hover,
.balance-informer:not(:disabled):focus-visible {
    transform: none;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
    outline: none;
}

.balance-informer__title,
.balance-informer__updated {
    font-size: 0.7rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    opacity: 0.75;
    margin: 0;
}

.balance-informer__amount {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0.1rem 0;
    letter-spacing: 0.02em;
}

.balance-informer__updated {
    margin-top: 0.1rem;
}

.balance-informer--error .balance-informer__amount {
    color: var(--error-color);
}

.balance-informer--loading {
    color: transparent;
}

.balance-informer--loading::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(148, 163, 184, 0.35) 50%, rgba(255, 255, 255, 0) 100%);
    animation: balanceInformerShimmer 1.2s ease-in-out infinite;
}

.balance-informer--loading .balance-informer__title,
.balance-informer--loading .balance-informer__amount,
.balance-informer--loading .balance-informer__updated {
    opacity: 0;
}

@keyframes balanceInformerShimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.theme-toggle {
    --theme-toggle-exit-duration: 0.45s;
    --theme-toggle-enter-duration: 0.45s;
    --theme-toggle-stage-gap: 0.05s;
    --theme-toggle-exit-ease: cubic-bezier(0.52, 0.03, 0.24, 1);
    --theme-toggle-enter-ease: cubic-bezier(0.3, 0.01, 0.12, 1);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    border: none;
    background: transparent;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    overflow: hidden;
    transition: transform 0.3s ease, background 0.3s ease;
    transform-origin: center;
    will-change: transform;
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 3px;
}

.theme-toggle--transitioning {
    animation: themeToggleTilt 0.75s ease-in-out;
}

.theme-toggle--transitioning .theme-toggle__sun,
.theme-toggle--transitioning .theme-toggle__moon {
    transition: none;
}

.theme-toggle__icon {
    width: 100%;
    height: 100%;
    position: relative;
    display: block;
}

.theme-toggle__earth,
.theme-toggle__sun,
.theme-toggle__moon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.theme-toggle__earth {
    opacity: 0.55;
    transform: translate3d(0, 0, 0) scale(0.65);
    filter: saturate(1.05);
    z-index: 0;
}

.theme-toggle__earth::before {
    content: "";
    width: 1.55rem;
    height: 1.55rem;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 35%, rgba(224, 255, 255, 0.85) 0%, rgba(125, 211, 252, 0.85) 40%, rgba(15, 118, 110, 0.7) 55%, rgba(12, 74, 110, 0.95) 100%);
    box-shadow: inset -0.15rem -0.15rem 0.45rem rgba(15, 23, 42, 0.35), 0 0 8px rgba(56, 189, 248, 0.3);
}

.theme-toggle__sun {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    z-index: 2;
}

.theme-toggle__sun-core {
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #fff7cf 0%, #fbbf24 55%, #f59e0b 85%, #f97316 100%);
    box-shadow: 0 0 12px rgba(251, 191, 36, 0.45);
    z-index: 2;
    position: relative;
}

.theme-toggle__sun-rays {
    position: absolute;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background:
        radial-gradient(circle, rgba(255, 239, 186, 0.35) 0%, rgba(255, 239, 186, 0) 75%),
        repeating-conic-gradient(from 0deg,
            rgba(253, 224, 71, 0.6) 0deg 10deg,
            rgba(253, 224, 71, 0) 10deg 22deg);
    opacity: 0;
    animation: sunRays 3s linear infinite;
    filter: blur(0.2px);
    z-index: 1;
}

@keyframes sunRays {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.65) rotate(0deg);
    }
    20% {
        opacity: 0.65;
        transform: translate(-50%, -50%) scale(0.85) rotate(18deg);
    }
    50% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1.02) rotate(36deg);
    }
    80% {
        opacity: 0.45;
        transform: translate(-50%, -50%) scale(0.95) rotate(60deg);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.88) rotate(80deg);
    }
}

@keyframes themeToggleTilt {
    0% {
        transform: rotate(0deg) scale(1);
    }
    30% {
        transform: rotate(8deg) scale(1.05);
    }
    60% {
        transform: rotate(-6deg) scale(0.98);
    }
    100% {
        transform: rotate(0deg) scale(1);
    }
}

.theme-toggle__moon {
    opacity: 0;
    transform: translate3d(-0.05rem, 0, 0) scale(0.75);
    z-index: 2;
}

.theme-toggle__moon-core {
    width: 1.15rem;
    height: 1.15rem;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #f8fafc 0%, #dbeafe 55%, #94a3b8 100%);
    box-shadow: 0 0 10px rgba(148, 163, 184, 0.35);
    position: relative;
    z-index: 2;
    transform: translateX(-0.12rem);
}

.theme-toggle__moon-shadow {
    position: absolute;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--card-bg);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateX(0.35rem);
    filter: blur(0.35px);
    opacity: 0.95;
    box-shadow: -0.15rem 0 0 0 rgba(15, 23, 42, 0.55);
    z-index: 3;
}

.theme-toggle__stars {
    position: absolute;
    width: 0.22rem;
    height: 0.22rem;
    border-radius: 50%;
    background: rgba(241, 245, 249, 0.85);
    box-shadow: -0.85rem -0.55rem 0 0 rgba(148, 197, 255, 0.45),
                -0.4rem 0.65rem 0 0 rgba(203, 213, 225, 0.5),
                0.55rem 0.05rem 0 0 rgba(241, 245, 249, 0.55),
                0.25rem -0.45rem 0 0 rgba(148, 197, 255, 0.5);
    opacity: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateY(0.05rem);
    z-index: 1;
    transition: opacity 0.45s ease;
    animation: starBlink 3s ease-in-out infinite;
}

@keyframes starBlink {
    0% {
        opacity: 0.55;
        box-shadow: -0.85rem -0.55rem 0 0 rgba(148, 197, 255, 0.3),
                    -0.4rem 0.65rem 0 0 rgba(203, 213, 225, 0.55),
                    0.55rem 0.05rem 0 0 rgba(241, 245, 249, 0.35),
                    0.25rem -0.45rem 0 0 rgba(148, 197, 255, 0.45);
    }
    50% {
        opacity: 0.9;
        box-shadow: -0.85rem -0.55rem 0 0 rgba(148, 197, 255, 0.65),
                    -0.4rem 0.65rem 0 0 rgba(203, 213, 225, 0.3),
                    0.55rem 0.05rem 0 0 rgba(241, 245, 249, 0.75),
                    0.25rem -0.45rem 0 0 rgba(148, 197, 255, 0.35);
    }
    100% {
        opacity: 0.6;
        box-shadow: -0.85rem -0.55rem 0 0 rgba(148, 197, 255, 0.4),
                    -0.4rem 0.65rem 0 0 rgba(203, 213, 225, 0.6),
                    0.55rem 0.05rem 0 0 rgba(241, 245, 249, 0.45),
                    0.25rem -0.45rem 0 0 rgba(148, 197, 255, 0.55);
    }
}

@keyframes themeSunExit {
    0% {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1) rotate(0deg);
    }
    65% {
        transform: translate3d(0.55rem, 0.38rem, 0) scale(0.78) rotate(18deg);
    }
    100% {
        opacity: 0;
        transform: translate3d(1.1rem, 1.1rem, 0) scale(0.45) rotate(32deg);
    }
}

@keyframes themeSunEnter {
    0% {
        opacity: 0;
        transform: translate3d(-1.95rem, -1.95rem, 0) scale(0.38) rotate(-36deg);
    }
    40% {
        opacity: 1;
        transform: translate3d(-0.6rem, -0.55rem, 0) scale(1.08) rotate(-12deg);
    }
    100% {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1) rotate(0deg);
    }
}

@keyframes themeMoonEnter {
    0% {
        opacity: 0;
        transform: translate3d(-1.95rem, -1.95rem, 0) scale(0.38) rotate(-34deg);
    }
    45% {
        opacity: 1;
        transform: translate3d(-0.45rem, -0.4rem, 0) scale(1.08) rotate(-10deg);
    }
    100% {
        opacity: 1;
        transform: translate3d(-0.05rem, 0, 0) scale(1) rotate(0deg);
    }
}

@keyframes themeMoonExit {
    0% {
        opacity: 1;
        transform: translate3d(-0.05rem, 0, 0) scale(1) rotate(0deg);
    }
    65% {
        transform: translate3d(0.4rem, 0.32rem, 0) scale(0.78) rotate(14deg);
    }
    100% {
        opacity: 0;
        transform: translate3d(1.8rem, 1.8rem, 0) scale(0.45) rotate(30deg);
    }
}

[data-theme="dark"] .theme-toggle__sun {
    opacity: 0;
    transform: translate3d(1.1rem, 1.1rem, 0) scale(0.45) rotate(32deg);
}

[data-theme="dark"] .theme-toggle__moon {
    opacity: 1;
    transform: translate3d(-0.05rem, 0, 0) scale(1);
}

[data-theme="dark"] .theme-toggle__stars {
    opacity: 1;
}

.theme-toggle--to-dark .theme-toggle__sun {
    animation: themeSunExit var(--theme-toggle-exit-duration) var(--theme-toggle-exit-ease) both;
}

.theme-toggle--to-dark .theme-toggle__moon {
    animation: themeMoonEnter var(--theme-toggle-enter-duration) var(--theme-toggle-enter-ease)
        calc(var(--theme-toggle-exit-duration) + var(--theme-toggle-stage-gap)) both;
}

.theme-toggle--to-light .theme-toggle__moon {
    animation: themeMoonExit var(--theme-toggle-exit-duration) var(--theme-toggle-exit-ease) both;
}

.theme-toggle--to-light .theme-toggle__sun {
    animation: themeSunEnter var(--theme-toggle-enter-duration) var(--theme-toggle-enter-ease)
        calc(var(--theme-toggle-exit-duration) + var(--theme-toggle-stage-gap)) both;
}

@media (prefers-reduced-motion: reduce) {
    .theme-toggle,
    .theme-toggle__sun,
    .theme-toggle__moon,
    .theme-toggle__stars,
    .theme-toggle__sun-rays {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.app-main {
    max-width: 1200px;
    margin: 2.5rem auto;
    padding: 0 2rem 4rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.card {
    background: var(--card-bg);
    border-radius: 1.5rem;
    box-shadow: 0 20px 60px -30px var(--shadow-color);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    backdrop-filter: blur(6px);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: none;
    box-shadow: 0 30px 70px -40px var(--shadow-color);
}

.card-header,
.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.card-header h1 {
    margin: 0;
    font-size: 1.5rem;
}

.filters {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.filters label {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

label {
    font-weight: 500;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

input[type="date"],
select,
textarea,
input[type="text"] {
    padding: 0.6rem 0.8rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.7);
    color: inherit;
    font: inherit;
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

.create-form #payload {
    width: 100%;
    max-width: 37.5rem;
}

[data-theme="dark"] input[type="date"],
[data-theme="dark"] select,
[data-theme="dark"] textarea,
[data-theme="dark"] input[type="text"] {
    background: rgba(15, 23, 42, 0.6);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-color-muted);
}

button {
    padding: 0.75rem 1.4rem;
    border-radius: 0.9rem;
    border: none;
    background: linear-gradient(135deg, var(--accent-color) 0%, #7c3aed 100%);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

button:not(.theme-toggle):hover {
    transform: none;
    box-shadow: 0 15px 30px -20px var(--accent-color);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

button.ghost {
    background: transparent;
    color: inherit;
    border: 1px solid var(--border-color);
}

.table-wrapper {
    overflow-x: auto;
    border-radius: 1rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
}

.data-table thead {
    background: var(--accent-color-muted);
}

.data-table th,
.data-table td {
    text-align: left;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr:hover {
    background: rgba(148, 163, 184, 0.12);
}

.error-row {
    background: rgba(220, 38, 38, 0.14);
}

.error-row td {
    color: var(--error-color);
    font-weight: 500;
}

.flash-messages {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.flash-message {
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--accent-color);
    background: var(--accent-color-muted);
}

.flash-message.error {
    border-left-color: var(--error-color);
    background: rgba(220, 38, 38, 0.12);
}

.flash-message.success {
    border-left-color: var(--success-color);
    background: rgba(22, 163, 74, 0.12);
}

.auth-card {
    max-width: 420px;
    margin: 0 auto;
    text-align: center;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
}

.preview {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.status-area {
    border-radius: 1rem;
    padding: 1rem 1.2rem;
    background: var(--accent-color-muted);
}

.status-list {
    margin: 0;
    padding-left: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

@media (max-width: 900px) {
    .app-header {
        padding: 1rem;
    }

    .app-main {
        padding: 0 1rem 3rem;
    }

    .card-header,
    .filters,
    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .data-table {
        min-width: auto;
    }
}