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

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

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

/* Background animated shapes */
body::before, body::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    z-index: 0;
    animation: float 8s ease-in-out infinite;
}

body::before {
    width: 400px;
    height: 400px;
    background: linear-gradient(45deg, #40ada6, #8ee4af);
    top: -100px;
    left: -100px;
    opacity: 0.5;
    filter: blur(40px);
}

body::after {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, #4a90e2, #50e3c2);
    bottom: -50px;
    right: -50px;
    opacity: 0.5;
    filter: blur(40px);
    animation-delay: -4s;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
    100% { transform: translateY(0) scale(1); }
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    z-index: 1;
    position: relative;
    transform: translateY(20px);
    opacity: 0;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideUp {
    to { transform: translateY(0); opacity: 1; }
}

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

.auth-header h1 {
    font-size: 28px;
    color: #2c3e50;
    margin-bottom: 8px;
    font-weight: 700;
}

.auth-header p {
    color: #64748b;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #334155;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    font-size: 15px;
    color: #1e293b;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #40ada6;
    box-shadow: 0 0 0 3px rgba(64, 173, 166, 0.15);
    background: #ffffff;
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #40ada6 0%, #308a84 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(64, 173, 166, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(64, 173, 166, 0.4);
}

.btn-primary:active {
    transform: translateY(1px);
}

.auth-footer {
    margin-top: 24px;
    text-align: center;
    font-size: 14px;
    color: #64748b;
}

.auth-footer a {
    color: #40ada6;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.auth-footer a:hover {
    color: #2b7570;
}

.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}