/* ====================================================
   Tho Nha - Auth Pages (Shared)
   ==================================================== */

:root {
    --auth-primary: #06b6d4;
    --auth-primary-dark: #2563eb;
    --auth-secondary: #38bdf8;
    --auth-accent: #22d3ee;
    --auth-gradient: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    --auth-bg: linear-gradient(140deg, #f0f9ff 0%, #e0f2fe 46%, #bae6fd 100%);
    --auth-text: #0f172a;
    --auth-muted: #64748b;
    --auth-border: #e2e8f0;
    --auth-soft: #f0faff;
    --auth-danger: #ef4444;
    --auth-success: #22c55e;
    --auth-shadow: 0 26px 60px rgba(15, 23, 42, 0.15);
    --auth-radius: 24px;
    --auth-radius-sm: 12px;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Be Vietnam Pro', 'Inter', sans-serif;
    min-height: 100vh;
    margin: 0;
    color: var(--auth-text);
    background: var(--auth-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow-x: hidden;
}

body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(2px);
}

body::before {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.2) 0%, rgba(34, 211, 238, 0) 70%);
    top: -90px;
    right: -70px;
}

body::after {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, rgba(37, 99, 235, 0) 72%);
    bottom: -160px;
    left: -120px;
}

.auth-card,
.login-card {
    width: 100%;
    max-width: 500px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--auth-shadow);
    border-radius: var(--auth-radius);
    padding: 38px 34px;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(6px);
}

.auth-card::before,
.login-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--auth-radius);
    background: linear-gradient(170deg, rgba(17, 153, 142, 0.08) 0%, rgba(56, 239, 125, 0.04) 50%, rgba(255, 200, 87, 0.1) 100%);
    pointer-events: none;
}

.auth-card > *,
.login-card > * {
    position: relative;
    z-index: 1;
}

.brand,
.login-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
}

.brand img,
.login-brand img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: contain;
    background: #f0faf5;
    padding: 4px;
    border: 1px solid #d8ede5;
}

.brand-name,
.login-brand-text {
    font-size: 1.62rem;
    font-weight: 800;
    line-height: 1;
    background: var(--auth-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-subtitle,
.login-subtitle {
    text-align: center;
    color: var(--auth-muted);
    font-size: 0.9rem;
    margin-bottom: 26px;
}

.role-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--auth-primary-dark);
    background: linear-gradient(135deg, rgba(17, 153, 142, 0.16), rgba(56, 239, 125, 0.14));
    border: 1px solid rgba(17, 153, 142, 0.28);
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 22px;
}

.info-box,
.approval-notice {
    background: linear-gradient(135deg, rgba(17, 153, 142, 0.12), rgba(56, 239, 125, 0.1));
    color: #0f6a62;
    border: 1px solid rgba(17, 153, 142, 0.2);
    border-radius: var(--auth-radius-sm);
    padding: 12px 15px;
    font-size: 0.84rem;
    margin-bottom: 20px;
}

.approval-notice {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.approval-notice i {
    margin-top: 2px;
}

.section-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--auth-primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 20px 0 12px;
    display: flex;
    align-items: center;
    gap: 9px;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(17, 153, 142, 0.35), rgba(17, 153, 142, 0));
}

.form-label {
    font-weight: 600;
    font-size: 0.88rem;
    color: #445163;
    margin-bottom: 7px;
}

.input-group-text {
    background: var(--auth-soft);
    border-right: none;
    color: var(--auth-primary);
    border-color: var(--auth-border);
}

.input-icon .form-control,
.input-icon textarea.form-control {
    border-left: none;
    border-color: var(--auth-border);
    padding: 11px 14px;
    font-size: 0.95rem;
    color: #243447;
}

.input-icon .form-control:focus,
.input-icon textarea.form-control:focus {
    border-color: var(--auth-primary);
    box-shadow: 0 0 0 0.2rem rgba(17, 153, 142, 0.1);
}

.input-icon:focus-within .input-group-text,
.input-icon:focus-within .toggle-pwd {
    border-color: var(--auth-primary);
}

.toggle-pwd {
    border-left: none;
    border-color: var(--auth-border);
    background: #fff;
    color: #97a4b7;
    cursor: pointer;
    transition: color 0.2s ease;
}

.toggle-pwd:hover,
.toggle-pwd:focus {
    color: var(--auth-primary);
    box-shadow: none;
}

.btn-submit,
.btn-login {
    width: 100%;
    border: none;
    border-radius: 999px;
    background: var(--auth-gradient);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    padding: 13px;
    margin-top: 8px;
    transition: transform 0.22s ease, box-shadow 0.22s ease, opacity 0.22s ease;
}

.btn-submit:hover:not(:disabled),
.btn-login:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(17, 153, 142, 0.35);
    color: #fff;
}

.btn-submit:disabled,
.btn-login:disabled {
    opacity: 0.8;
}

.strength-bar {
    height: 4px;
    border-radius: 2px;
    background: #dbe7eb;
    margin-top: 6px;
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    border-radius: 2px;
    transition: all 0.3s;
    width: 0;
}

#msg {
    font-size: 0.88rem;
    min-height: 22px;
    text-align: center;
    margin-top: 12px;
}

.auth-links,
.back-link {
    text-align: center;
    margin-top: 20px;
    font-size: 0.86rem;
    color: var(--auth-muted);
}

.auth-links a,
.back-link a {
    color: var(--auth-primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-links a:hover,
.back-link a:hover {
    text-decoration: underline;
}

.divider {
    color: #b8c3cf;
    margin: 0 8px;
}

.other-roles {
    background: #f9fcfd;
    border: 1px solid #e1e9ef;
    border-radius: var(--auth-radius-sm);
    padding: 13px;
    margin-top: 18px;
    text-align: center;
}

.other-roles p {
    font-size: 0.8rem;
    color: var(--auth-muted);
    margin-bottom: 8px;
}

.other-roles .role-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #425266;
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 9px;
    background: #fff;
    border: 1px solid #dde7ee;
    transition: all 0.2s;
    margin: 3px;
}

.other-roles .role-link:hover {
    border-color: var(--auth-primary);
    color: var(--auth-primary);
}

.upload-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.upload-zone {
    border: 2px dashed #9ed5cb;
    border-radius: var(--auth-radius-sm);
    padding: 14px 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #f4fbf8;
    position: relative;
    overflow: hidden;
}

.upload-zone:hover {
    border-color: var(--auth-primary);
    background: #ebf8f3;
}

.upload-zone.has-file {
    border-color: var(--auth-primary);
    border-style: solid;
}

.upload-zone i {
    font-size: 1.6rem;
    color: #56b9aa;
    display: block;
    margin-bottom: 4px;
}

.upload-zone span {
    font-size: 0.75rem;
    color: #5f6f83;
    font-weight: 500;
    line-height: 1.3;
    display: block;
}

.upload-zone img {
    width: 100%;
    height: 90px;
    object-fit: cover;
    border-radius: 8px;
    display: none;
}

.upload-zone .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: #ef4444;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 10px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.upload-note {
    font-size: 0.75rem;
    color: #7b8798;
    margin-top: 6px;
    text-align: center;
}

@media (max-width: 767px) {
    body {
        align-items: flex-start;
        padding: 16px;
    }

    .auth-card,
    .login-card {
        border-radius: 20px;
        padding: 30px 20px;
        max-width: 100%;
    }

    .upload-grid {
        grid-template-columns: 1fr;
    }

    .brand-name,
    .login-brand-text {
        font-size: 1.48rem;
    }
}