/* ================================
   CSS VARIABLES
   ================================ */

:root {
    --brand-primary: #ec4899;
    --brand-dark: #db2777;
    --brand-glow: rgba(236, 72, 153, 0.5);

    --bg-body: #000000;
    --bg-card: #0f172a;
    --bg-card-hover: #1e293b;

    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --text-white: #ffffff;

    --border-light: rgba(255, 255, 255, 0.1);
    --border-brand: rgba(236, 72, 153, 0.2);

    --radius-lg: 16px;
    --radius-full: 9999px;

    --font-main: 'Inter', sans-serif;
}

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

        body {
            font-family: var(--font-main);
            background-color: var(--bg-body);
            background-image: radial-gradient(circle at center, #331020, #000000 70%);
            color: var(--text-main);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* --- Utilities --- */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        a { text-decoration: none; color: inherit; transition: color 0.3s; }
        .hidden { display: none; }

        /* --- Navigation (Simplified for Auth Page) --- */
        .navbar {
  position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent; /* transparent on initial load */
    backdrop-filter: blur(0);
    border-bottom: 1px solid transparent;
    height: 70px;
    margin-left: 120px;
    margin-top: -10px;
    display: flex;
    align-items: center;
    transition: background 240ms ease, backdrop-filter 240ms ease, border-color 240ms ease;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--brand-dark);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 15px var(--brand-glow);
        }

        /* --- Auth Section --- */
        .auth-wrapper {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 100px 20px 40px;
        }

        .auth-card {
            background: rgba(15, 23, 42, 0.7);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-light);
            border-radius: 24px;
            width: 100%;
            max-width: 450px;
            padding: 40px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
            position: relative;
            overflow: hidden;
        }

        /* Ambient Glow behind card */
        .auth-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(236,72,153,0.1) 0%, transparent 70%);
            z-index: -1;
            pointer-events: none;
        }

        /* --- Tabs --- */
        .auth-tabs {
            display: flex;
            background: var(--bg-card);
            padding: 4px;
            border-radius: 12px;
            margin-bottom: 30px;
            border: 1px solid var(--bg-card-hover);
        }

        .tab-btn {
            flex: 1;
            padding: 10px;
            text-align: center;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-muted);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .tab-btn.active {
            background: var(--brand-dark);
            color: var(--text-white);
            box-shadow: 0 2px 10px rgba(219, 39, 119, 0.3);
        }

        .tab-btn:hover:not(.active) {
            color: var(--text-white);
            background: rgba(255,255,255,0.05);
        }

        /* --- Form Elements --- */
        .auth-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .auth-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .auth-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-main);
            font-size: 0.9rem;
            font-weight: 500;
        }

        .input-wrapper {
            position: relative;
        }

        .input-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 1rem;
            transition: color 0.3s;
        }

        .toggle-password {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            font-size: 1.1rem;
            transition: all 0.3s;
            padding: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .toggle-password:hover {
            color: var(--brand-primary);
            transform: translateY(-50%) scale(1.1);
        }

        .toggle-password i {
            pointer-events: none;
        }

        .form-input {
            width: 100%;
            background: var(--bg-card-hover);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            padding: 12px 44px 12px 44px;
            color: var(--text-white);
            font-size: 1rem;
            outline: none;
            transition: all 0.3s;
        }

        .form-input:focus {
            border-color: var(--brand-primary);
            background: rgba(15, 23, 42, 0.9);
            box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.1);
        }

        .form-input:focus + .input-icon {
            color: var(--brand-primary);
        }

        .submit-btn {
            width: 100%;
            padding: 14px;
            background: var(--brand-dark);
            color: var(--text-white);
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 10px;
            box-shadow: 0 4px 15px rgba(219, 39, 119, 0.3);
        }

        .submit-btn:hover {
            background: var(--brand-primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(236, 72, 153, 0.4);
        }

        /* --- Social Login --- */
        .divider {
            display: flex;
            align-items: center;
            text-align: center;
            margin: 25px 0;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .divider::before, .divider::after {
            content: '';
            flex: 1;
            border-bottom: 1px solid var(--border-light);
        }

        .divider span {
            padding: 0 10px;
        }

        .social-login {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .social-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 10px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 12px;
            color: var(--text-main);
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 500;
            font-size: 0.9rem;
        }

        .social-btn:hover {
            background: rgba(255,255,255,0.05);
            border-color: var(--text-muted);
            color: var(--text-white);
        }

        /* --- Footer Links --- */
        .auth-footer {
            text-align: center;
            margin-top: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .auth-link {
            color: var(--brand-primary);
            font-weight: 600;
            cursor: pointer;
        }

        .auth-link:hover {
            text-decoration: underline;
        }
        
        /* Fade Animation for toggling forms */
        .form-container {
            animation: fadeIn 0.4s ease-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Mobile Responsive */
        @media (max-width: 480px) {
            .auth-card { padding: 30px 20px; }
            .social-login { grid-template-columns: 1fr; }
        }

        /* Fix for select dropdown options on dark background */
        select option {
            background-color: var(--bg-card);
            color: var(--text-white);
        }