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

:root {
    --primary: #6d28d9;
    --secondary: #10b981;
    --dark: #1e293b;
    --light: #f8fafc;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Space Grotesk', sans-serif;
}

body {
    background-color: var(--dark);
    color: var(--light);
    min-height: 100vh;
    overflow-y: auto;
    position: relative;
}

.login-container {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 5rem 2rem 2rem 2rem;
    overflow-y: auto;
    max-height: 100vh;
}

.login-card {
    background: rgba(30, 41, 59, 0.8);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform-style: preserve-3d;
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
    will-change: transform, opacity;
}

.login-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(109, 40, 217, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    z-index: -1;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.logo {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
}

.logo p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.input-group {
    position: relative;
    margin-bottom: 2rem;
}

.input-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.3);
}

.input-group .icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

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

.options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.remember-me {
    display: flex;
    align-items: center;
}

.remember-me input {
    margin-right: 0.5rem;
    accent-color: var(--primary);
}

.forgot-password a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.forgot-password a:hover {
    color: var(--primary);
}

.login-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
    will-change: transform, opacity;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.login-btn:hover::before {
    opacity: 1;
}

.login-btn:active {
    transform: scale(0.98);
}

.divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: rgba(255, 255, 255, 0.5);
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.divider span {
    padding: 0 1rem;
}

.social-login {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.social-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.3);
}

.register-link {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.register-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.input-error {
    position: absolute;
    bottom: -1.5rem;
    left: 0;
    color: #ef4444;
    font-size: 0.8rem;
    opacity: 0;
    transform: translateY(5px);
    transition: all 0.3s ease;
}

.input-group.error .input-error {
    opacity: 1;
    transform: translateY(0);
}

.input-group.error input {
    border-color: #ef4444;
}

.input-group.error .icon {
    color: #ef4444;
}

.success-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: rgba(30, 41, 59, 0.9);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
    text-align: center;
    z-index: 100;
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.success-message.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.success-message h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.success-message p {
    margin-bottom: 1.5rem;
}

.success-message button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.success-message button:hover {
    background: var(--secondary);
}

@media (max-width: 640px) {
    .login-card {
        padding: 2rem 1.5rem;
    }
    
}