* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', system-ui, -apple-system, sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-container, .dashboard-container {
    background: rgba(255,255,255,0.95);
    border-radius: 20px;
    box-shadow: 0 25px 45px rgba(0,0,0,0.2);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 28px;
    font-weight: 600;
}

.input-group {
    margin-bottom: 25px;
    position: relative;
}

.input-group input {
    width: 100%;
    padding: 14px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    outline: none;
}

.input-group input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}

.input-group label {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    padding: 0 5px;
    color: #999;
    transition: 0.3s;
    pointer-events: none;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
    top: 0;
    font-size: 12px;
    color: #667eea;
}

button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

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

.message {
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
    animation: shake 0.5s;
}

@keyframes shake {
    0%,100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.message.error {
    background: #fee;
    color: #c33;
    border-left: 4px solid #c33;
}

.message.success {
    background: #efe;
    color: #3c3;
    border-left: 4px solid #3c3;
}

.info-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 15px;
    margin: 20px 0;
    text-align: center;
}

.logout-btn {
    display: inline-block;
    background: #dc3545;
    text-decoration: none;
    text-align: center;
    margin-top: 15px;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
    margin-left: 10px;
    vertical-align: middle;
}

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