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

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-form {
    width: 440px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    padding: 40px 36px 32px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.04);
}

.brand-header {
    text-align: center;
    margin-bottom: 32px;
}

.brand-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #e94560 0%, #f5a623 100%);
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    box-shadow: 0 8px 24px rgba(233, 69, 96, 0.4);
}

.brand-logo svg {
    width: 32px;
    height: 32px;
    fill: #fff;
}

.brand-title {
    font-size: 26px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 1px;
}

.brand-subtitle {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 4px;
}

.login-form h1 {
    display: none;
}

.login-form-row {
    margin-bottom: 18px;
}

.login-form-row label:not(.checkbox) {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.login-form-row input[type=text],
.login-form-row input[type=password] {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    font-size: 14px;
    color: #ffffff;
    outline: none;
    transition: border-color 0.25s ease, background 0.25s ease;
}

.login-form-row input[type=text]::placeholder,
.login-form-row input[type=password]::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.login-form-row input[type=text]:focus,
.login-form-row input[type=password]:focus {
    border-color: rgba(233, 69, 96, 0.6);
    background: rgba(255, 255, 255, 0.1);
}

/* Checkbox */
.login-form-row label.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    user-select: none;
}

.login-form-row label.checkbox input[type=checkbox] {
    display: none;
}

.login-form-row label.checkbox span {
    width: 18px;
    height: 18px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 5px;
    background: rgba(255,255,255,0.06);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.login-form-row label.checkbox input[type=checkbox]:checked + span {
    background: linear-gradient(135deg, #e94560, #f5a623);
    border-color: transparent;
}

.login-form-row label.checkbox input[type=checkbox]:checked + span::after {
    content: '✓';
    font-size: 11px;
    color: #fff;
    font-weight: 700;
}

.login-form-button {
    width: 100%;
    padding: 14px;
    margin-top: 8px;
    background: linear-gradient(135deg, #e94560 0%, #f5a623 100%);
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: opacity 0.25s ease, transform 0.2s ease;
    box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
}

.login-form-button:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

.login-form-button:active {
    transform: translateY(0);
}

.version-info {
    display: block;
    text-align: center;
    margin-top: 20px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.2);
    font-style: italic;
}