:root {
    --page-bg: #eef3f5;
    --page-ink: #173346;
    --panel-bg: rgba(255, 255, 255, 0.96);
    --panel-border: rgba(23, 51, 70, 0.12);
    --panel-shadow: 0 24px 48px rgba(15, 36, 48, 0.16);
    --accent: #0f6f87;
    --accent-strong: #0a5369;
    --muted: #5d7282;
}

* {
    box-sizing: border-box;
}

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

body.auth-body {
    background:
        radial-gradient(circle at top left, rgba(46, 148, 170, 0.18), transparent 32%),
        radial-gradient(circle at bottom right, rgba(16, 47, 69, 0.18), transparent 28%),
        linear-gradient(180deg, #f7fafb 0%, var(--page-bg) 100%);
    color: var(--page-ink);
    font-family: "Aptos", "Trebuchet MS", "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
    margin: 0;
    min-height: 100vh;
    min-height: 100svh;
}

.auth-shell {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    min-height: 100svh;
    padding: 24px 18px;
    padding:
        calc(24px + env(safe-area-inset-top))
        calc(18px + env(safe-area-inset-right))
        calc(24px + env(safe-area-inset-bottom))
        calc(18px + env(safe-area-inset-left));
}

.auth-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    box-shadow: var(--panel-shadow);
    overflow: hidden;
    width: 100%;
}

.auth-card--sm {
    max-width: 460px;
}

.auth-card--md {
    max-width: 480px;
}

.auth-card--lg {
    max-width: 520px;
}

.auth-card--xl {
    max-width: 680px;
}

@supports ((-webkit-backdrop-filter: blur(12px)) or (backdrop-filter: blur(12px))) {
    .auth-card {
        -webkit-backdrop-filter: blur(12px);
        backdrop-filter: blur(12px);
        background: rgba(255, 255, 255, 0.90);
    }
}

.auth-hero {
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.18), transparent 34%),
        linear-gradient(135deg, #102f45 0%, #15586f 52%, #1a7d89 100%);
    color: #f4fbfd;
    padding: 28px 28px 22px;
}

.auth-content {
    padding: 24px 28px 28px;
}

.auth-title {
    letter-spacing: -0.03em;
    margin-top: 0;
}

.auth-hero-meta {
    color: rgba(244, 251, 253, 0.82);
    margin-bottom: 0;
}

.auth-copy,
.meta {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

a {
    color: var(--accent-strong);
}

a:hover {
    color: #083f52;
}

label {
    display: block;
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
textarea,
select {
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid #bfd0dc;
    border-radius: 14px;
    color: var(--page-ink);
    font: inherit;
    font-size: 16px;
    margin-bottom: 14px;
    min-height: 50px;
    padding: 12px 14px;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
    width: 100%;
}

textarea {
    min-height: 124px;
    resize: vertical;
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
    border-color: rgba(15, 111, 135, 0.7);
    box-shadow: 0 0 0 4px rgba(15, 111, 135, 0.14);
    outline: none;
    transform: translateY(-1px);
}

button,
.button-link {
    -webkit-appearance: none;
    align-items: center;
    appearance: none;
    background: linear-gradient(135deg, var(--accent) 0%, #1482a0 100%);
    border: 0;
    border-radius: 14px;
    box-shadow: 0 16px 26px rgba(15, 111, 135, 0.18);
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-weight: 700;
    justify-content: center;
    min-height: 48px;
    padding: 12px 16px;
    text-align: center;
    text-decoration: none;
    touch-action: manipulation;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
    width: 100%;
}

.button-link.secondary,
.button-link.ghost {
    background: rgba(237, 244, 248, 0.96);
    box-shadow: none;
    color: var(--page-ink);
}

button.secondary {
    background: linear-gradient(135deg, #5d7a8f 0%, #6d8ea4 100%);
}

button:hover,
.button-link:hover {
    box-shadow: 0 20px 34px rgba(15, 111, 135, 0.22);
    transform: translateY(-1px);
}

.button-link.secondary:hover,
.button-link.ghost:hover {
    background: #dcebf1;
    box-shadow: 0 10px 18px rgba(23, 51, 70, 0.08);
}

button:focus-visible,
.button-link:focus-visible {
    box-shadow: 0 0 0 4px rgba(15, 111, 135, 0.18);
    outline: none;
}

.flash {
    border-radius: 14px;
    box-shadow: 0 12px 22px rgba(23, 51, 70, 0.06);
    margin-bottom: 12px;
    padding: 12px 14px;
}

.flash.error {
    background: #fdecec;
    border: 1px solid #efb0b0;
}

.flash.success {
    background: #e7f8ed;
    border: 1px solid #abd9bb;
}

.auth-section {
    border-top: 1px solid #d7e0ea;
    margin-top: 18px;
    padding-top: 18px;
}

.auth-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.auth-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.auth-actions > * {
    flex: 1 1 220px;
    min-width: 0;
}

.auth-actions form {
    display: block;
}

.auth-actions form > button {
    width: 100%;
}

.auth-captcha {
    background: #f8fbfd;
    border: 1px solid #d1dce6;
    border-radius: 16px;
    box-shadow: 0 12px 24px rgba(23, 51, 70, 0.08);
    display: block;
    height: auto;
    margin: 20px auto;
    max-width: 100%;
}

pre,
code,
.meta,
.auth-copy {
    overflow-wrap: anywhere;
}

@media (max-width: 720px) {
    .auth-card {
        border-radius: 20px;
    }

    .auth-hero {
        padding: 24px 20px 20px;
    }

    .auth-content {
        padding: 20px;
    }

    .auth-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .auth-actions > * {
        flex-basis: auto;
        width: 100%;
    }
}