:root {
    --primary: #1ABC9C;
    --dark: #2C3E50;
    --light: #f8f9fa;
    --danger: #e74c3c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}



.login-card {
    width: 100%;
    max-width: 420px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transform: translateY(-5%);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
    transform: translateY(-7%);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.card-header {
    background: var(--dark);
    color: white;
    padding: 1.5rem;
    text-align: center;
}

.card-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.card-body {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
    font-size: 0.9rem;
}

.input-icon {
    position: relative;
}

.input-icon i {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    color: #95a5a6;
    font-size: 1rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.2);
    outline: none;
}

.btn {
    display: block;
    width: 100%;
    padding: 0.75rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: #16a085;
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: #7f8c8d;
}

.login-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    cursor: pointer;
    color: #95a5a6;
}

.error-message {
    color: var(--danger);
    font-size: 0.8rem;
    margin-top: 0.25rem;
    display: none;
}

/* Animation */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.4s ease-in-out;
}