@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg: #030712;
    --fg: #f9fafb;
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.15);
    --secondary: #8b5cf6;
    --accent: #10b981;
    --border: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-hover: rgba(255, 255, 255, 0.06);
    --text-muted: #94a3b8;
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --font-main: 'Outfit', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg);
    overflow-x: hidden;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

/* Background Effects */
.bg-glow {
    position: fixed;
    z-index: 0;
    opacity: 0.7;
    pointer-events: none;
    mix-blend-mode: screen;
    will-change: transform;
}

.bg-blur-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(100px);
    -webkit-backdrop-filter: blur(100px);
    z-index: 1;
    pointer-events: none;
}

.glow-1 {
    width: 60vmax;
    height: 60vmax;
    top: -30%;
    right: -20%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.8) 0%, transparent 70%);
    animation: swirl 15s infinite linear;
}

.glow-2 {
    width: 70vmax;
    height: 70vmax;
    bottom: -30%;
    left: -20%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.7) 0%, transparent 70%);
    animation: swirl 20s infinite linear reverse;
}

@keyframes swirl {
    0% { transform: rotate(0deg) translate(5vmax, 5vmax) rotate(0deg); }
    100% { transform: rotate(360deg) translate(5vmax, 5vmax) rotate(-360deg); }
}

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(var(--border) 1px, transparent 1px),
                      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    z-index: 2;
    opacity: 0.12;
}

/* Auth Container */
.auth-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 440px;
}

.auth-card {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 2rem;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--fg);
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    margin-bottom: 2.5rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.auth-header {
    margin-bottom: 2rem;
    text-align: center;
}

.auth-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

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

/* Error Message */
.error-message {
    background: var(--error-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 1rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--error);
}

.error-message i {
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* Bundle Info */
.bundle-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 1rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
}

.bundle-info-icon {
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.bundle-info-detail {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.bundle-info-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bundle-info-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
}

/* Google Button */
.google-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.9rem 1.5rem;
    background: #ffffff;
    color: #1f2937;
    border: none;
    border-radius: 99px;
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.google-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.15);
}

.google-btn:active {
    transform: translateY(0);
}

.google-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.google-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-divider span {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Email Form */
.auth-email-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.auth-email-form label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.input-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 99px;
    padding: 0.75rem 1.25rem;
    transition: all 0.3s ease;
}

.input-group:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.input-group i {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.input-group input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--fg);
    font-family: var(--font-main);
    font-size: 0.95rem;
}

.input-group input::placeholder {
    color: rgba(148, 163, 184, 0.5);
}

.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.85rem 1.5rem;
    background: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: 99px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 0.25rem;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    background: rgba(59, 130, 246, 0.4);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.email-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    opacity: 0.7;
}

/* Auth Footer */
.auth-footer {
    margin-top: 2.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.auth-footer p {
    margin-bottom: 0.5rem;
}

.auth-footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.auth-footer a:hover {
    color: var(--primary);
}

.dot {
    margin: 0 0.5rem;
    opacity: 0.4;
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    flex-shrink: 0;
}

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

/* Responsive */
@media (max-width: 480px) {
    body {
        padding: 1rem;
    }

    .auth-card {
        padding: 1.75rem;
        border-radius: 1.5rem;
    }

    .auth-header h1 {
        font-size: 1.4rem;
    }
}