:root {
    --bg: #020617;
    --card: #0f172a;
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --danger: #ef4444;
    --success: #22c55e;
}

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

body {
    font-family: "Poppins", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(99, 102, 241, .25), transparent 35%),
        radial-gradient(circle at bottom right, rgba(236, 72, 153, .16), transparent 30%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.login-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.1fr .9fr;
}

.login-left {
    padding: 70px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand {
    margin-bottom: 70px;
}

.brand span {
    display: block;
    font-size: 30px;
    font-weight: 700;
}

.brand small {
    color: var(--muted);
}

.login-left h1 {
    font-size: 54px;
    margin-bottom: 18px;
}

.login-left p {
    max-width: 560px;
    color: var(--muted);
    line-height: 1.8;
}

.features {
    margin-top: 34px;
    display: grid;
    gap: 14px;
}

.features div {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .08);
    padding: 14px 16px;
    border-radius: 14px;
    max-width: 330px;
}

.login-right {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.login-card {
    width: 100%;
    max-width: 430px;
    background: rgba(15, 23, 42, .88);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 26px;
    padding: 34px;
    box-shadow: 0 25px 70px rgba(0, 0, 0, .38);
}

.login-card h2 {
    font-size: 28px;
    margin-bottom: 8px;
}

.login-card p {
    color: var(--muted);
    margin-bottom: 26px;
}

.login-card label {
    display: block;
    font-size: 14px;
    margin-bottom: 8px;
}

.login-card input {
    width: 100%;
    background: #020617;
    color: white;
    border: 1px solid rgba(255, 255, 255, .1);
    padding: 14px;
    border-radius: 13px;
    margin-bottom: 18px;
    outline: none;
}

.login-card input:focus {
    border-color: var(--primary);
}

.password-wrap {
    position: relative;
}

.password-wrap input {
    padding-right: 76px;
}

.password-wrap button {
    position: absolute;
    right: 8px;
    top: 7px;
    border: 0;
    background: rgba(99, 102, 241, .18);
    color: white;
    padding: 7px 10px;
    border-radius: 9px;
    cursor: pointer;
}

.login-btn {
    width: 100%;
    margin-top: 10px;
    padding: 14px;
    border: 0;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.login-btn:disabled {
    opacity: .6;
    cursor: not-allowed;
}

.back-link {
    display: block;
    text-align: center;
    color: var(--muted);
    text-decoration: none;
    margin-top: 18px;
    font-size: 14px;
}

#loginMessage {
    font-size: 14px;
    margin: 8px 0;
}

.login-msg {
    padding: 12px;
    border-radius: 12px;
}

.login-msg.error {
    background: rgba(239, 68, 68, .14);
    color: #fca5a5;
}

.login-msg.success {
    background: rgba(34, 197, 94, .14);
    color: #86efac;
}

@media (max-width: 900px) {
    .login-page {
        grid-template-columns: 1fr;
    }

    .login-left {
        padding: 40px 24px 10px;
    }

    .login-left h1 {
        font-size: 38px;
    }

    .brand {
        margin-bottom: 40px;
    }

    .login-right {
        padding: 24px;
    }
}