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

/* Full page center */
body {
    background: linear-gradient(135deg, #1e293b, #334155, #475569);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Container */
.container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

/* Card */
.login-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    text-align: center;
    animation: fadeIn 0.6s ease;
}

/* Logo/Title */
.logo {
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 15px;
    line-height: 1.4;
}

.title {
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: 600;
    color: #334155;
}

/* Messages */
.messages {
    margin-bottom: 15px;
}
.error {
    background: #fee2e2;
    color: #b91c1c;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
}

/* Form */
.login-form input {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 16px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.login-form input:focus {
    border-color: #6366f1;
    outline: none;
    box-shadow: 0 0 6px rgba(99, 102, 241, 0.4);
}

/* Button */
.login-form button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-form button:hover {
    background: linear-gradient(135deg, #4f46e5, #4338ca);
    transform: translateY(-1px);
}

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}