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

:root {
    --bg: #0c0e14;
    --surface: #13161f;
    --surf2: #1c2030;
    --surf3: #222740;
    --border: #22263a;
    --text: #e8eaf0;
    --muted: #7a8099;
    --teal: #0fa89e;
    --red: #ef4444;
}

body {
    font-family: 'Barlow', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg);
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    position: relative;
    overflow: hidden;
}

body::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 500px;
    background: radial-gradient(ellipse 60% 50%, rgba(15,168,158,0.08), transparent);
    pointer-events: none;
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0;
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}

.login-logo {
    margin-bottom: 32px;
    text-align: center;
}

.login-logo img {
    height: 80px;
    width: auto;
    filter: drop-shadow(0 0 20px rgba(15,168,158,0.4));
}

h1 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 30px;
    font-weight: 900;
    letter-spacing: -0.5px;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: 6px;
    text-align: center;
}

p {
    font-family: 'Barlow', sans-serif;
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 32px;
    text-align: center;
}

.input-group {
    position: relative;
    margin-bottom: 16px;
}

.input-group i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    font-size: 13px;
}

.input-group input {
    width: 100%;
    padding: 13px 14px 13px 40px;
    background: var(--surf3);
    border: 1px solid var(--border);
    border-radius: 0;
    font-family: 'Barlow', sans-serif;
    font-size: 15px;
    color: var(--text);
    transition: border-color 0.2s;
}

.input-group input::placeholder { color: var(--muted); }

.input-group input:focus {
    outline: none;
    border-color: var(--teal);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--teal);
    color: white;
    border: none;
    border-radius: 0;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    cursor: pointer;
    margin-top: 8px;
    transition: opacity 0.15s;
}

.btn-login:hover { opacity: 0.85; }

.error-msg {
    background: rgba(239,68,68,0.1);
    border-left: 2px solid var(--red);
    color: var(--red);
    padding: 12px 14px;
    font-family: 'Barlow', sans-serif;
    font-size: 13px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.back-link {
    display: block;
    margin-top: 24px;
    color: var(--muted);
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    text-align: center;
    transition: color 0.15s;
}

.back-link:hover { color: var(--teal); }