:root {
    --auth-bg: #f4f8fc;
    --auth-surface: rgba(255, 255, 255, 0.96);
    --auth-surface-strong: #ffffff;
    --auth-border: #cfdbe8;
    --auth-border-strong: #9fb7cf;
    --auth-text: #17212b;
    --auth-muted: #5a6c7d;
    --auth-heading: #0f3057;
    --auth-accent: #1f5f8b;
    --auth-accent-dark: #15476a;
    --auth-error-bg: #fff1f2;
    --auth-error-text: #9f1239;
    --auth-success-bg: #edf8f0;
    --auth-success-text: #1d6a3b;
    --auth-shadow: 0 22px 50px rgba(15, 48, 87, 0.14);
    --auth-radius-lg: 22px;
    --auth-radius-md: 14px;
    --auth-radius-sm: 10px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--auth-text);
    background:
        radial-gradient(circle at top left, rgba(31, 95, 139, 0.18), transparent 28%),
        radial-gradient(circle at bottom right, rgba(111, 168, 220, 0.18), transparent 24%),
        linear-gradient(180deg, #f9fcff 0%, var(--auth-bg) 100%);
}

body.auth-login {
    display: flex;
    align-items: center;
    justify-content: center;
}

body.auth-register {
    display: block;
}

body.dashboard-page-body {
    display: block;
}

a {
    color: var(--auth-accent);
    text-decoration: none;
}

a:hover,
a:focus-visible {
    text-decoration: underline;
}

input,
select,
button {
    font: inherit;
}

.auth-page {
    width: min(100% - 1.5rem, 880px);
    margin: 0 auto;
    padding: 2rem 0 3rem;
}

.auth-page--login {
    width: min(100% - 1.25rem, 430px);
    padding: 1.5rem 0;
}

.auth-page--register {
    width: min(100% - 1rem, 760px);
    padding: 1rem 0 2rem;
}

.dashboard-page {
    width: min(100% - 1rem, 980px);
    margin: 0 auto;
    padding: 1rem 0 2rem;
}

.dashboard-shell {
    display: grid;
    gap: 1rem;
}

.dashboard-hero,
.dashboard-card {
    background: var(--auth-surface);
    border: 1px solid var(--auth-border);
    border-radius: var(--auth-radius-lg);
    box-shadow: var(--auth-shadow);
}

.dashboard-hero {
    display: grid;
    gap: 1rem;
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
}

.dashboard-hero::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 5px;
    background: linear-gradient(90deg, #7fb3da, var(--auth-accent), var(--auth-accent-dark));
}

.dashboard-hero h1,
.dashboard-card h2 {
    margin: 0 0 0.5rem;
}

.dashboard-hero p,
.dashboard-card p {
    margin: 0;
    color: var(--auth-muted);
}

.dashboard-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    background: rgba(31, 95, 139, 0.08);
    color: var(--auth-accent-dark);
    font-weight: 700;
}

.dashboard-card {
    padding: 1.2rem;
}

.dashboard-grid {
    display: grid;
    gap: 1rem;
}

.dashboard-meta {
    display: grid;
    gap: 0.75rem;
}

.dashboard-meta-item {
    display: grid;
    gap: 0.2rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(207, 219, 232, 0.7);
}

.dashboard-meta-item:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.dashboard-meta-label {
    color: var(--auth-heading);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.dashboard-list {
    display: grid;
    gap: 0.8rem;
}

.dashboard-list-item {
    display: grid;
    gap: 0.3rem;
    padding: 0.95rem;
    border: 1px solid rgba(207, 219, 232, 0.9);
    border-radius: var(--auth-radius-md);
    background: #ffffff;
}

.dashboard-list-item strong {
    color: var(--auth-heading);
}

.dashboard-list-item span {
    color: var(--auth-muted);
}

.dashboard-empty {
    padding: 0.25rem 0 0;
}

.auth-shell {
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: calc(var(--auth-radius-lg) + 6px);
    background: rgba(255, 255, 255, 0.32);
    backdrop-filter: blur(8px);
}

.auth-card {
    background: var(--auth-surface);
    border: 1px solid var(--auth-border);
    border-radius: var(--auth-radius-lg);
    box-shadow: var(--auth-shadow);
    padding: 1.5rem;
}

.auth-card--compact {
    max-width: 520px;
    margin: 0 auto;
}

.auth-card--login {
    position: relative;
    overflow: hidden;
}

.auth-card--register {
    position: relative;
    overflow: hidden;
}

.auth-card--login::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 5px;
    background: linear-gradient(90deg, #7fb3da, var(--auth-accent), var(--auth-accent-dark));
}

.auth-card--register::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 5px;
    background: linear-gradient(90deg, #95c8a1, #4e9f6b, #2b7a48);
}

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

.auth-header h1 {
    margin: 0 0 0.6rem;
    color: var(--auth-heading);
    line-height: 1.1;
    font-size: clamp(2rem, 4vw, 3rem);
}

.auth-header p {
    margin: 0;
    color: var(--auth-muted);
    font-size: 1rem;
}

.auth-link {
    font-weight: 600;
}

.auth-kicker {
    display: inline-flex;
    align-items: center;
    margin-bottom: 0.85rem;
    padding: 0.38rem 0.72rem;
    border-radius: 999px;
    background: rgba(31, 95, 139, 0.09);
    color: var(--auth-accent-dark);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

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

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

.auth-field {
    display: grid;
    gap: 0.45rem;
    color: var(--auth-heading);
    font-weight: 600;
}

.auth-field input,
.auth-field select {
    width: 100%;
    padding: 0.82rem 0.92rem;
    border: 1px solid var(--auth-border);
    border-radius: var(--auth-radius-md);
    background: var(--auth-surface-strong);
    color: var(--auth-text);
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.auth-field input:focus,
.auth-field select:focus {
    outline: none;
    border-color: var(--auth-border-strong);
    box-shadow: 0 0 0 4px rgba(31, 95, 139, 0.14);
    transform: translateY(-1px);
}

.auth-actions {
    padding-top: 0.25rem;
}

.auth-meta {
    margin-top: 1rem;
    text-align: center;
    color: var(--auth-muted);
    font-size: 0.95rem;
}

.auth-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--auth-accent), var(--auth-accent-dark));
    color: #ffffff;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 16px 28px rgba(21, 71, 106, 0.2);
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.auth-button:hover,
.auth-button:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 20px 32px rgba(21, 71, 106, 0.24);
    filter: brightness(1.03);
}

.error,
.errors,
.success {
    margin-bottom: 1rem;
    padding: 0.95rem 1rem;
    border-radius: var(--auth-radius-md);
}

.error,
.errors {
    border: 1px solid #f1b2c0;
    background: var(--auth-error-bg);
    color: var(--auth-error-text);
}

.success {
    border: 1px solid #b8dec4;
    background: var(--auth-success-bg);
    color: var(--auth-success-text);
}

.errors p,
.success p {
    margin: 0 0 0.45rem;
}

.errors p:last-child,
.success p:last-child {
    margin-bottom: 0;
}

@media (min-width: 700px) {
    .auth-grid--two {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .dashboard-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .dashboard-hero {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
    }

    .dashboard-meta {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 1rem;
    }
}

@media (max-width: 699px) {
    .auth-page {
        width: min(100% - 1rem, 880px);
        padding: 1rem 0 2rem;
    }

    .auth-shell {
        padding: 0.8rem;
    }

    .auth-card {
        padding: 1.1rem;
    }

    .dashboard-page {
        width: min(100% - 1rem, 980px);
        padding: 0.9rem 0 1.5rem;
    }
}

@media (max-width: 480px) {
    body.auth-login {
        display: block;
    }

    body.auth-register {
        display: block;
    }

    body.dashboard-page-body {
        display: block;
    }

    .auth-page,
    .auth-page--login,
    .auth-page--register {
        width: 100%;
        padding: 0.75rem;
    }

    .dashboard-page {
        width: 100%;
        padding: 0.75rem;
    }

    .auth-shell {
        padding: 0;
        border: 0;
        border-radius: 0;
        background: transparent;
        backdrop-filter: none;
    }

    .auth-card,
    .auth-card--compact,
    .auth-card--login,
    .auth-card--register {
        max-width: none;
        border-radius: 24px;
        padding: 1.15rem 1rem 1rem;
        box-shadow: 0 14px 30px rgba(15, 48, 87, 0.12);
    }

    .dashboard-hero,
    .dashboard-card {
        border-radius: 24px;
        padding: 1rem;
        box-shadow: 0 14px 30px rgba(15, 48, 87, 0.12);
    }

    .auth-header {
        margin-bottom: 1.1rem;
    }

    .auth-header h1 {
        font-size: 1.8rem;
    }

    .auth-header p {
        font-size: 0.95rem;
        line-height: 1.45;
    }

    .auth-field {
        gap: 0.4rem;
        font-size: 0.95rem;
    }

    .auth-field input,
    .auth-field select {
        min-height: 50px;
        padding: 0.88rem 0.9rem;
        font-size: 16px;
    }

    .auth-button {
        min-height: 52px;
        padding: 0.95rem 1rem;
    }

    .error,
    .errors,
    .success {
        padding: 0.85rem 0.9rem;
        font-size: 0.95rem;
    }

    .auth-meta {
        font-size: 0.9rem;
    }

    .dashboard-link {
        width: 100%;
    }

    .dashboard-meta-item,
    .dashboard-list-item {
        padding-bottom: 0.8rem;
    }
}