:root {
    --primary: #2D3A4B;
    --accent: #A3E635;
    --bg: #F4F6F9;
    --card: #FFFFFF;
    --text: #1E293B;
    --radius: 18px;
    --transition: 0.3s ease;
}

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

body {
    font-family: 'Nunito', sans-serif;
    background: var(--bg);
    height: 100vh;
}

/* ===== Layout ===== */

.login-wrapper {
    display: flex;
    height: 100vh;
}

/* ===== Cover ===== */

.login-cover {
    flex: 1.1;
    overflow: hidden;
}

.login-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== Content ===== */

.login-content {
    flex: 0.9;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--card);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    animation: fadeUp 0.5s ease;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.login-header img {
    width: 90px;
    margin-bottom: 15px;
}

.login-header h2 {
    color: var(--primary);
    margin-bottom: 5px;
}

.login-header p {
    color: #64748B;
    font-size: 14px;
}

/* ===== Inputs ===== */

.input-group {
    margin-bottom: 20px;
    position: relative;
}

.input-group label {
    font-size: 14px;
    color: var(--text);
    display: block;
    margin-bottom: 6px;
}

.input-group input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid #D1D5DB;
    font-size: 14px;
    transition: var(--transition);
}

.input-group input:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,122,89,0.2);
}

.password-group i {
    position: absolute;
    right: 14px;
    top: 38px;
    cursor: pointer;
    color: #9CA3AF;
}

/* ===== Button ===== */

.btn-submit {
    width: 100%;
    padding: 13px;
    border-radius: 12px;
    border: none;
    background: var(--primary);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background: var(--accent);
}

/* ===== Error ===== */

.error-message {
    background: #FEE2E2;
    color: #B91C1C;
    padding: 10px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 20px;
}

/* ===== Responsive ===== */

@media (max-width: 900px) {
    .login-wrapper {
        flex-direction: column;
    }

    .login-cover {
        height: 220px;
    }

    .login-content {
        padding: 20px;
    }
}