:root {
    --primary-color: #6a11cb;
    --secondary-color: #2575fc;
    --background-color: #f0f2f5;
    --text-color: #333;
    --card-bg: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --font-family: 'Poppins', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Login Page Styling */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.login-box {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow-color);
    width: 100%;
    max-width: 400px;
    text-align: center;
    animation: fadeIn 0.5s ease-out;
}

.login-box h2 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

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

.input-group input {
    width: 100%;
    padding: 10px 0;
    border: none;
    border-bottom: 2px solid #ccc;
    outline: none;
    background: transparent;
    font-size: 1rem;
}

.input-group label {
    position: absolute;
    top: 10px;
    left: 0;
    color: #aaa;
    transition: all 0.3s ease;
    pointer-events: none;
}

.input-group input:focus + label, 
.input-group input:valid + label {
    top: -15px;
    left: 0;
    font-size: 0.8rem;
    color: var(--primary-color);
}

.login-button {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.login-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.error-message {
    color: #e74c3c;
    margin-top: 1rem;
    animation: shake 0.3s;
}

/* Dashboard Styling */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.main-header h1 {
    font-size: 1.8rem;
}

.logout-button {
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border: 2px solid white;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.logout-button:hover {
    background: white;
    color: var(--primary-color);
}

.dashboard {
    padding: 3rem;
}

.buton-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px var(--shadow-color);
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.card-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.card p {
    color: #666;
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.card button {
    padding: 0.8rem;
    border: none;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.card button:hover {
    filter: brightness(1.2);
}

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

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