:root {
    --bg-color: #F8F3FA;
    --text-color: #29212F;
    --card-bg: #FFFFFF;
    --border-color: #DED2E4;
    --primary: #7C3AED;
    --primary-hover: #6929D1;
    --secondary: #F0E5F7;
    --shadow: rgba(70, 35, 85, 0.10);
    --input-bg: #FCFAFD;
    --error: #D04F68;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background:
        radial-gradient(circle at 12% 8%, rgba(124, 58, 237, 0.10), transparent 42%),
        radial-gradient(circle at 88% 18%, rgba(124, 58, 237, 0.08), transparent 40%),
        var(--bg-color);
    color: var(--text-color);
}

.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 36px 32px;
    box-shadow: 0 20px 50px var(--shadow);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.login-logo {
    height: 42px;
    width: 42px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    object-fit: cover;
}

.login-brand-name {
    font-size: 18px;
    font-weight: 700;
}

.login-brand-tag {
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 600;
}

.login-card h1 {
    font-size: 22px;
    margin: 0 0 6px 0;
}

.login-sub {
    font-size: 13.5px;
    opacity: 0.7;
    margin: 0 0 24px 0;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 2px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-color);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}

.login-error {
    color: var(--error);
    font-size: 13px;
    font-weight: 500;
    min-height: 18px;
    margin-bottom: 8px;
}

.login-btn {
    width: 100%;
    padding: 13px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: white;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(124, 58, 237, 0.35);
}

.login-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.login-back-link {
    display: block;
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.login-back-link:hover {
    text-decoration: underline;
}