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

body {
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 16px;
    padding: 40px 36px;
    width: 380px;
    max-width: 90vw;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}

.login-card h1 {
    font-size: 22px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-card .subtitle {
    text-align: center;
    font-size: 13px;
    color: #64748b;
    margin-bottom: 28px;
}

.field {
    margin-bottom: 20px;
}

.field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #94a3b8;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.field input {
    width: 100%;
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 8px;
    padding: 12px 16px;
    color: #e2e8f0;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.field input:focus {
    border-color: #6366f1;
}

.field input::placeholder {
    color: #475569;
}

.login-btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}

.login-btn:hover {
    opacity: 0.9;
}

.login-btn:active {
    transform: scale(0.98);
}

.error-msg {
    margin-top: 16px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
    text-align: center;
    display: none;
}

.error-msg.show {
    display: block;
}