/* =============================================
   HotZAP Hub — Auth Pages (Premium)
   ============================================= */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #0f172a;
    color: #1f2937;
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(22, 163, 74, 0.12) 0%, transparent 70%);
    top: -150px;
    right: -100px;
}

.auth-page::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
    bottom: -100px;
    left: -50px;
}

/* Client auth with tenant branding */
.auth-client {
    background: linear-gradient(135deg, var(--brand-primary, #2D8E3C) 0%, var(--brand-secondary, #1a6b28) 100%);
}

.auth-client::before,
.auth-client::after {
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
}

.auth-container {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
}

.auth-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 2.75rem 2.25rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 800;
    text-align: center;
    color: #16a34a;
    margin-bottom: 0.25rem;
}

.auth-subtitle {
    text-align: center;
    color: #94a3b8;
    font-size: 0.85rem;
    margin-bottom: 1.75rem;
}

.auth-logo {
    display: block;
    max-width: 200px;
    height: auto;
    margin: 0 auto 0.75rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #374151;
}

.form-group input {
    padding: 0.7rem 0.9rem;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
    background: #f8fafc;
}

.form-group input:focus {
    border-color: #16a34a;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
    background: #fff;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    font-family: inherit;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(22, 163, 74, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(22, 163, 74, 0.4);
    transform: translateY(-1px);
}

.btn-block {
    width: 100%;
    margin-top: 0.75rem;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.alert-error {
    background-color: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.alert-success {
    background-color: #f0fdf4;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.auth-hint {
    text-align: center;
    color: #94a3b8;
    font-size: 0.8rem;
    margin-top: 1.5rem;
}

.inline-form {
    display: inline;
}

.btn-link {
    background: none;
    border: none;
    color: #16a34a;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.btn-link:hover {
    color: #15803d;
}