:root {
    --primary: #0070f3;
    --primary-hover: #0051af;
    --bg-dark: #0a0a0a;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #ffffff;
    --text-dim: #a0a0a0;
    --error: #ff4d4d;
    --success: #00e676;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-image: url('bg.png'); /* We will rename the generated image to bg.png */
    background-size: cover;
    background-position: center;
}

.container {
    position: relative;
    width: 100%;
    max-width: 400px;
    padding: 20px;
    z-index: 1;
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo p {
    font-size: 14px;
    color: var(--text-dim);
    margin-top: 8px;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-dim);
    margin-bottom: 8px;
    margin-left: 4px;
}

.input-wrapper {
    position: relative;
}

input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: white;
    font-size: 15px;
    transition: all 0.3s ease;
    outline: none;
}

input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(0, 112, 243, 0.1);
}

button {
    width: 100%;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

button:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 112, 243, 0.3);
}

button:active {
    transform: translateY(0);
}

.toggle-form {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-dim);
}

.toggle-form a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.toggle-form a:hover {
    color: #3291ff;
}

.alert {
    padding: 12px;
    border-radius: 12px;
    font-size: 14px;
    margin-bottom: 20px;
    text-align: center;
}

.alert-error {
    background: rgba(255, 77, 77, 0.1);
    color: var(--error);
    border: 1px solid rgba(255, 77, 77, 0.2);
}

.alert-success {
    background: rgba(0, 230, 118, 0.1);
    color: var(--success);
    border: 1px solid rgba(0, 230, 118, 0.2);
}

.success-content {
    text-align: center;
}

.success-content i {
    font-size: 48px;
    color: var(--success);
    margin-bottom: 20px;
    display: block;
}

.app-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: white;
    color: black;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.app-link:hover {
    transform: scale(1.05);
}

.hidden {
    display: none;
}