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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--tg-theme-bg-color, #1a1a2e);
    color: var(--tg-theme-text-color, #e0e0e0);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 480px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    margin-bottom: 24px;
    font-size: 22px;
    color: var(--tg-theme-text-color, #fff);
}

h2 {
    font-size: 18px;
    margin-bottom: 16px;
    color: #00ffa3;
}

.card {
    background: var(--tg-theme-secondary-bg-color, #16213e);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.hidden {
    display: none !important;
}

.input-group {
    margin-bottom: 16px;
}

label {
    display: block;
    font-size: 14px;
    margin-bottom: 6px;
    opacity: 0.8;
}

input[type="text"] {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    color: var(--tg-theme-text-color, #fff);
    font-size: 18px;
    letter-spacing: 2px;
    text-transform: none;
}

input[type="text"]:focus {
    outline: none;
    border-color: #00ffa3;
}

.toggle-group {
    display: flex;
    gap: 8px;
}

.toggle {
    flex: 1;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    color: var(--tg-theme-text-color, #e0e0e0);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.toggle.active {
    background: #00ffa3;
    color: #000;
    border-color: #00ffa3;
    font-weight: 600;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #00ffa3;
    cursor: pointer;
}

.hint {
    font-size: 12px;
    color: #ff6b6b;
    margin-top: 6px;
    opacity: 0.9;
}

.primary-btn {
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    border: none;
    background: #00ffa3;
    color: #000;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

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

.primary-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#progress {
    text-align: center;
    padding: 20px 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: #00ffa3;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.result {
    border: 1px solid #00ffa3;
}

.field {
    margin-bottom: 12px;
}

.copyable {
    background: rgba(0,0,0,0.3);
    padding: 10px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 13px;
    word-break: break-all;
    cursor: pointer;
    user-select: all;
}

.secret {
    color: #ff6b6b;
}

.warning {
    margin-top: 12px;
    padding: 10px;
    background: rgba(255,107,107,0.1);
    border-radius: 6px;
    font-size: 13px;
    color: #ff6b6b;
    margin-bottom: 12px;
}