.auth-section {
    --bg-dark: #05070a;
    --gold-start: #F5A623;
    --gold-end: #d4891a;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #ffffff;
    --text-muted: #9CA3AF;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);

    background: var(--bg-dark);
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 16px;
    font-family: 'Poppins', -apple-system, sans-serif;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: #0d0e11;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 32px 24px;
}

.auth-card h1 {
    color: var(--text-main);
    font-size: 24px;
    font-weight: 800;
    margin: 0 0 6px;
    text-align: center;
}

.auth-subtitle {
    color: var(--text-muted);
    font-size: 13.5px;
    text-align: center;
    margin: 0 0 24px;
}

.auth-error {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid #dc2626;
    color: #F87171;
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 16px;
}

.form-group { margin-bottom: 16px; }

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

.form-control {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-dark);
    color: var(--text-main);
    font-size: 14px;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--gold-start);
}

.btn-auth {
    width: 100%;
    background: linear-gradient(135deg, var(--gold-start) 0%, var(--gold-end) 100%);
    color: #ffffff;
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    margin-top: 6px;
    transition: transform 0.3s var(--ease), filter 0.3s var(--ease);
}

.btn-auth:hover { transform: translateY(-2px); filter: brightness(1.08); }

.auth-switch {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 18px;
}

.auth-switch a { color: var(--gold-start); text-decoration: none; }

.nav-cta {
    color: var(--gold-start, #F5A623) !important;
    font-weight: 700 !important;
}

/* ---------- Show/Hide password ---------- */
.password-wrapper {
    position: relative;
}

.password-wrapper .form-control {
    padding-right: 42px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 16px;
    user-select: none;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.toggle-password:hover { opacity: 1; }



/* ---------- Loading spinner (universal) ---------- */
.btn-spinner {
    display: inline-block;
    width: 15px;
    height: 15px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: btn-spin 0.7s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.85;
}