:root {
    --bg-primary: #0d0f12;
    --bg-secondary: #14181f;
    --bg-card: rgba(23, 28, 38, 0.75);
    --bg-card-hover: rgba(30, 38, 52, 0.85);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --border-color: rgba(212, 175, 55, 0.15);
    --border-highlight: rgba(212, 175, 55, 0.4);

    --gold-primary: #f59e0b;
    --gold-hover: #d97706;
    --gold-glow: rgba(245, 158, 11, 0.25);
    --gold-gradient: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
    --gold-border: #f59e0b;

    --glass-bg: rgba(20, 24, 33, 0.65);
    --glass-border: 1px solid rgba(245, 158, 11, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
    --glass-backdrop: blur(12px);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --transition: all 0.25s ease;
    --font-fa: 'Vazirmatn', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    background-color: var(--bg-primary);
    background-image: radial-gradient(circle at 50% 15%, rgba(245, 158, 11, 0.08) 0%, transparent 65%);
    color: var(--text-main);
    font-family: var(--font-fa);
    font-size: 16px;
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    -webkit-font-smoothing: antialiased;
}

/* Wrapper: Centered vertically and horizontally, No Header, No Footer */
.auth-wrapper {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 24px 16px;
}

/* Auth Card */
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 38px 32px;
    max-width: 460px;
    width: 100%;
    box-shadow: var(--glass-shadow);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
}

.auth-header {
    text-align: center;
    margin-bottom: 26px;
}

.brand-icon-box {
    width: 58px;
    height: 58px;
    background: var(--gold-gradient);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    box-shadow: 0 0 20px var(--gold-glow);
    overflow: hidden;
    padding: 4px;
}

.brand-icon-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.auth-header h1 {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--gold-primary);
    margin-bottom: 4px;
}

.auth-header p {
    font-size: 0.92rem;
    color: var(--text-muted);
}

/* Tabs */
.auth-tabs {
    display: flex;
    background: var(--bg-secondary);
    padding: 4px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    gap: 4px;
    border: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    padding: 10px 10px;
    text-align: center;
    border-radius: 6px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    background: var(--bg-card-hover);
    color: var(--gold-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(245, 158, 11, 0.25);
}

/* Forms */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 0.92rem;
    font-weight: 700;
    color: #e4e4e7;
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    background: rgba(10, 13, 18, 0.85);
    border: 1px solid rgba(245, 158, 11, 0.25);
    color: #fff;
    font-family: inherit;
    font-size: 0.96rem;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    outline: none;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--gold-primary);
    box-shadow: 0 0 12px var(--gold-glow);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gold-gradient);
    color: #111;
    font-weight: 800;
    box-shadow: 0 4px 15px var(--gold-glow);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: rgba(245, 158, 11, 0.4);
    color: var(--gold-primary);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.22);
}

.btn-block {
    width: 100%;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    margin-bottom: 18px;
    line-height: 1.6;
}

.alert-error {
    background: rgba(231, 76, 60, 0.15);
    border: 1px solid rgba(231, 76, 60, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #86efac;
}

/* Service Portal Cards (Logged in list of sites) */
.portal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 34px 28px;
    max-width: 580px;
    width: 100%;
    box-shadow: var(--glass-shadow);
    backdrop-filter: var(--glass-backdrop);
}

.services-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 22px 0;
}

.service-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.service-item:hover {
    border-color: rgba(245, 158, 11, 0.45);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.service-icon {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.service-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 4px;
}

.service-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
}