body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.logo {
    width: 56px; height: 56px; border-radius: 16px;
    background: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; margin: 0 auto 20px;
}

h1 { font-size: 22px; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.3px; }

.subtitle {
    font-size: 14px; color: var(--text-muted);
    margin-bottom: 32px; line-height: 1.5;
}

.field {
    margin-bottom: 16px; text-align: left;
}

.field label {
    display: block; font-size: 12px; font-weight: 600;
    color: var(--text-muted); margin-bottom: 6px;
    text-transform: uppercase; letter-spacing: 0.5px;
}

.field input {
    width: 100%;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    padding: 13px 16px;
    outline: none;
    transition: border-color 0.2s;
}

.field input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

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

.btn {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    border: none;
    background: var(--accent);
    color: var(--bg);
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
    margin-top: 8px;
}

.btn:hover { opacity: 0.88; }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.error-msg {
    background: color-mix(in srgb, var(--red) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--red) 20%, transparent);
    color: var(--red);
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}

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

.security-note {
    font-size: 11px; color: var(--text-muted);
    margin-top: 24px; line-height: 1.6; opacity: 0.7;
}

.lock-icon { margin-right: 4px; }

/* Theme toggle */
.theme-toggle-row {
    display: flex; justify-content: center; gap: 8px;
    margin-top: 20px;
}

.theme-dot-btn {
    width: 22px; height: 22px; border-radius: 50%;
    border: 2px solid transparent; cursor: pointer;
    transition: border-color 0.15s, transform 0.15s;
    padding: 0;
}
.theme-dot-btn:hover { transform: scale(1.15); }
.theme-dot-btn.active { border-color: var(--text); }
.theme-dot-btn[data-t="light"]  { background: #c8b9ea; }
.theme-dot-btn[data-t="dark"]   { background: #16161a; }
.theme-dot-btn[data-t="forest"] { background: #2d7a2d; }
.theme-dot-btn[data-t="minimal"]{ background: #ebebeb; border: 2px solid #ccc; }