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

body {
    font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
    color: #1f2937;
    background: linear-gradient(135deg, #E3F2FD 0%, #ffffff 40%);
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(30, 136, 229, 0.15);
    padding: 28px;
}

.login-header { text-align: center; margin-bottom: 20px; }
.login-logo { width: 52px; height: 52px; object-fit: contain; }
.login-title { font-size: 22px; font-weight: 800; margin: 10px 0 4px; color: #0d83e5; }
.login-subtitle { font-size: 12px; color: #6b7280; }

.login-form { display: flex; flex-direction: column; gap: 14px; }
.form-item label { display: block; font-size: 12px; color: #374151; margin-bottom: 6px; }
.form-item input {
    width: 100%;
    height: 42px;
    padding: 0 12px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.form-item input:focus { border-color: #0d83e5; box-shadow: 0 0 0 3px rgba(13,131,229,.15); }

.login-button {
    height: 44px;
    background: #0d83e5;
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: background .2s ease;
}
.login-button:hover { background: #0b74cc; }

.error-text { margin-top: 6px; color: #dc2626; font-size: 12px; min-height: 16px; }