/* ==============================
 * PicViaI Auth Pages - Modern UI
 * ============================== */

:root {
    --pv-primary: #6366f1;
    --pv-primary-dark: #4f46e5;
    --pv-primary-light: #818cf8;
    --pv-primary-50: #eef2ff;
    --pv-primary-100: #e0e7ff;
    --pv-text: #1e293b;
    --pv-text-muted: #94a3b8;
    --pv-bg: #f8fafc;
    --pv-border: #e2e8f0;
    --pv-radius: 12px;
    --pv-radius-sm: 8px;
    --pv-shadow-md: 0 4px 12px rgba(0,0,0,.08);
    --pv-shadow-lg: 0 20px 60px rgba(0,0,0,.12);
    --pv-transition: .2s ease all;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, 'Microsoft YaHei', sans-serif;
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #eef2ff 0%, #f8fafc 50%, #fef3c7 100%);
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Decorative blobs */
body::before,
body::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
}

body::before {
    width: 400px;
    height: 400px;
    background: rgba(99,102,241,.15);
    top: -100px;
    right: -100px;
}

body::after {
    width: 300px;
    height: 300px;
    background: rgba(245,158,11,.12);
    bottom: -80px;
    left: -80px;
}

.pv-auth-wrapper {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pv-auth-card {
    background: #fff;
    border-radius: var(--pv-radius);
    box-shadow: var(--pv-shadow-lg);
    padding: 40px 36px;
    border: 1px solid rgba(226,232,240,.6);
}

.pv-auth-logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--pv-primary), var(--pv-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 24px;
    margin: 0 auto 20px;
    box-shadow: 0 8px 24px rgba(99,102,241,.3);
}

.pv-auth-title {
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 4px;
    letter-spacing: -.3px;
}

.pv-auth-subtitle {
    text-align: center;
    font-size: 14px;
    color: var(--pv-text-muted);
    margin: 0 0 28px;
}

.pv-form-group {
    margin-bottom: 20px;
}

.pv-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--pv-text);
}

.pv-form-control {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--pv-radius-sm);
    border: 1.5px solid var(--pv-border);
    font-size: 15px;
    font-family: inherit;
    transition: var(--pv-transition);
    outline: none;
    background: var(--pv-bg);
}

.pv-form-control:focus {
    border-color: var(--pv-primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(99,102,241,.1);
}

.pv-input-group {
    position: relative;
}

.pv-input-group svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--pv-text-muted);
    pointer-events: none;
}

.pv-input-group .pv-form-control {
    padding-left: 44px;
}

.pv-auth-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.pv-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--pv-text-muted);
    cursor: pointer;
}

.pv-checkbox input {
    width: 16px;
    height: 16px;
    accent-color: var(--pv-primary);
    cursor: pointer;
}

.pv-auth-link {
    font-size: 14px;
    color: var(--pv-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--pv-transition);
}

.pv-auth-link:hover {
    color: var(--pv-primary-dark);
    text-decoration: underline;
}

.pv-btn-auth {
    width: 100%;
    padding: 13px;
    border-radius: var(--pv-radius-sm);
    border: none;
    background: var(--pv-primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pv-transition);
    font-family: inherit;
}

.pv-btn-auth:hover {
    background: var(--pv-primary-dark);
    box-shadow: 0 6px 20px rgba(99,102,241,.35);
    transform: translateY(-1px);
}

.pv-btn-auth:active {
    transform: translateY(0);
}

.pv-auth-footer {
    text-align: center;
    margin-top: 28px;
    font-size: 13px;
    color: var(--pv-text-muted);
}

.pv-auth-footer a {
    color: var(--pv-primary);
    text-decoration: none;
    font-weight: 500;
}

.pv-auth-footer a:hover { text-decoration: underline; }

.pv-auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0;
    color: var(--pv-text-muted);
    font-size: 13px;
}

.pv-auth-divider::before,
.pv-auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--pv-border);
}

.pv-copyright {
    text-align: center;
    margin-top: 24px;
    font-size: 13px;
    color: var(--pv-text-muted);
}