:root {
    --color-primary: #e94560;
    --color-primary-dark: #c7364f;
    --color-primary-light: rgba(233, 69, 96, .35);
    --color-text: #1a1a2e;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-bg: #f4f6f9;
    --color-surface: #fff;
    --badge-free-bg: #f1f5f9;
    --badge-free-text: #64748b;
    --badge-lite-bg: #dbeafe;
    --badge-lite-text: #1d4ed8;
    --badge-pro-bg: #dcfce7;
    --badge-pro-text: #15803d;
    --badge-pending-bg: #fef3c7;
    --badge-pending-text: #92400e;
    --badge-expired-bg: #fee2e2;
    --badge-expired-text: #dc2626;
    --color-focus: #3b82f6;
    --color-focus-ring: rgba(59, 130, 246, .1);
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, .06);
    --shadow-md: 0 4px 16px rgba(233, 69, 96, .35);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, .15);
    --radius-sm: 10px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-badge: 12px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif
}

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

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh
}

.page-wrap {
    flex: 1
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px
}

.container--narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0 0 .5em;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text)
}

p {
    margin: 0 0 1em
}

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

a:hover {
    text-decoration: underline
}

.content-section {
    padding: 60px 0
}

.content-section--alt {
    background: var(--color-surface)
}

.page-hero {
    background: linear-gradient(135deg, var(--dark, #1a1a2e) 0, var(--dark-alt, #16213e) 100%);
    color: #fff;
    text-align: center;
    padding: 60px 20px
}

.page-hero h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    color: #fff
}

.page-hero p {
    font-size: 18px;
    color: hsla(0, 0%, 100%, .8);
    max-width: 700px;
    margin: 0 auto
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: var(--radius-badge);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .3px
}

.badge-free,
.badge.gray {
    background: var(--badge-free-bg);
    color: var(--badge-free-text)
}

.badge-lite,
.badge.blue {
    background: var(--badge-lite-bg);
    color: var(--badge-lite-text)
}

.badge-active,
.badge-pro,
.badge.green {
    background: var(--badge-pro-bg);
    color: var(--badge-pro-text)
}

.badge-pending,
.badge.yellow {
    background: var(--badge-pending-bg);
    color: var(--badge-pending-text)
}

.badge-expired,
.badge.red {
    background: var(--badge-expired-bg);
    color: var(--badge-expired-text)
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm)
}

.card-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-light)
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0
}

.auth-page {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 24px;
    background: linear-gradient(135deg, #1a3a5c, #2d5a87 50%, #1a3a5c)
}

.auth-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg)
}

.auth-header {
    text-align: center;
    margin-bottom: 32px
}

.auth-header h1 {
    font-size: 1.75rem;
    margin-bottom: 8px
}

.auth-header p {
    color: var(--color-text-muted);
    font-size: .95rem;
    margin: 0
}

.auth-form {
    gap: 20px
}

.auth-form,
.form-group {
    display: flex;
    flex-direction: column
}

.form-group {
    gap: 6px
}

.form-group label {
    font-size: .875rem;
    font-weight: 600;
    color: #334155
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color .2s, box-shadow .2s;
    background: #f8fafc
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-focus);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
    background: var(--color-surface)
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    border: none;
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform .15s, box-shadow .15s;
    text-align: center
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    text-decoration: none
}

.btn-full {
    width: 100%
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border-light)
}

.auth-footer p {
    color: var(--color-text-muted);
    font-size: .9rem;
    margin: 0 0 8px
}

.auth-link {
    color: var(--color-focus);
    font-size: .875rem
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    margin-bottom: 20px
}

.alert-error {
    background: var(--badge-expired-bg);
    color: #991b1b;
    border: 1px solid #fecaca
}

.alert-success {
    background: var(--badge-pro-bg);
    color: #15803d;
    border: 1px solid #bbf7d0
}

@media (max-width:768px) {

    .container,
    .container--narrow {
        padding: 0 16px
    }

    .content-section {
        padding: 40px 0
    }

    .auth-page {
        padding: 40px 16px
    }

    .auth-card {
        padding: 28px 20px
    }
}

@media (max-width:480px) {

    .container,
    .container--narrow {
        padding: 0 12px
    }
}

.btn-google {
    background: #fff;
    color: #3c4043;
    border: 1px solid #dadce0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-weight: 500;
    transition: all .2s;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px
}

.btn-google:hover {
    background: #f8f9fa;
    border-color: #dadce0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .1)
}

.btn-google svg {
    flex-shrink: 0
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: #9ca3af;
    font-size: 13px
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    border-bottom: 1px solid var(--color-border)
}

.auth-divider span {
    padding: 0 12px
}