/* Smart Password Generator & Strength Meter Styles */
.hidden { display: none !important; }

/* ========== LAYOUT ========== */
.pg-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }

/* ========== CONTROLS PANEL ========== */
.pg-controls { display: flex; flex-direction: column; gap: 18px; }

.form-section { margin-bottom: 12px; }
.form-section-title { font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.form-section-title svg { width: 14px; height: 14px; color: var(--accent); flex-shrink: 0; }

/* Slider Row */
.slider-row { display: flex; align-items: center; gap: 12px; }
.slider-row input[type="range"] { flex: 1; -webkit-appearance: none; appearance: none; height: 6px; background: var(--border-color); border-radius: 3px; outline: none; cursor: pointer; }
.slider-row input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 20px; height: 20px; background: var(--accent); border-radius: 50%; cursor: pointer; border: 2px solid var(--card-bg); box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3); transition: var(--transition); }
.slider-row input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.1); }
.slider-row input[type="range"]::-moz-range-thumb { width: 20px; height: 20px; background: var(--accent); border-radius: 50%; cursor: pointer; border: 2px solid var(--card-bg); box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3); }
.slider-row input[type="range"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.slider-value { font-weight: 700; font-size: 1.2rem; color: var(--accent); min-width: 32px; text-align: center; }

/* Checkbox Grid */
.checkbox-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.toggle-row { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 0.88rem; color: var(--text-main); padding: 6px 10px; background: var(--bg-color); border: 1px solid var(--border-color); border-radius: 6px; transition: var(--transition); }
.toggle-row:hover { border-color: var(--accent); background: var(--accent-light); }
.toggle-row input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; flex-shrink: 0; }
.toggle-row:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.toggle-row code { font-size: 0.78rem; color: var(--text-muted); padding: 1px 4px; background: var(--card-bg); border-radius: 3px; }
[data-theme="dark"] .toggle-row { background: var(--card-bg); }

/* Custom Characters Input */
.pg-input { width: 100%; padding: 10px 12px; background: var(--bg-color); color: var(--text-main); border: 1px solid var(--border-color); border-radius: 6px; font-size: 0.9rem; font-family: 'SFMono-Regular', Consolas, 'Courier New', monospace; transition: var(--transition); box-sizing: border-box; }
.pg-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }
[data-theme="dark"] .pg-input { background: var(--card-bg); }
.checkbox-row { margin-top: 8px; }

/* Mode Selector */
.mode-selector { display: flex; gap: 6px; }
.mode-btn { flex: 1; padding: 10px 12px; border: 1px solid var(--border-color); background: var(--bg-color); color: var(--text-main); font-weight: 600; font-size: 0.85rem; border-radius: 6px; cursor: pointer; transition: var(--transition); font-family: var(--font-family); }
.mode-btn:hover { border-color: var(--accent); color: var(--accent); }
.mode-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.mode-btn.active { background: var(--accent); color: white; border-color: var(--accent); box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3); }
[data-theme="dark"] .mode-btn { background: var(--card-bg); }
[data-theme="dark"] .mode-btn.active { background: var(--accent); }

/* Action Buttons */
.pg-actions { display: flex; gap: 10px; margin-top: 4px; }
.pg-actions .btn { flex: 1; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 0.9rem; }
.pg-actions .btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ========== RESULT PANEL ========== */
.pg-result-panel { display: flex; flex-direction: column; gap: 16px; }

/* Password Display Box */
.pg-password-box { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 20px; }
.pg-password-box .password-display { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.password-placeholder { flex: 1; color: var(--text-muted); font-size: 0.92rem; text-align: center; padding: 16px 0; }
.password-field { flex: 1; padding: 12px 14px; background: var(--bg-color); color: var(--text-main); border: 1px solid var(--border-color); border-radius: 6px; font-size: 1.1rem; font-family: 'SFMono-Regular', Consolas, 'Courier New', monospace; letter-spacing: 1px; text-align: center; transition: var(--transition); }
.password-field:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }
[data-theme="dark"] .password-field { background: var(--card-bg); }
.pg-password-box .password-field { display: none; }
.pg-password-box.has-password .password-placeholder { display: none; }
.pg-password-box.has-password .password-field { display: block; }

.copy-pw-btn { width: 42px; height: 42px; min-width: 42px; display: flex; align-items: center; justify-content: center; background: var(--accent); color: white; border: none; border-radius: 6px; cursor: pointer; transition: var(--transition); }
.copy-pw-btn:hover { background: var(--accent-hover); transform: scale(1.05); }
.copy-pw-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.copy-pw-btn svg { width: 18px; height: 18px; }

.toggle-visibility { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; cursor: pointer; color: var(--text-muted); border-radius: 6px; transition: var(--transition); }
.toggle-visibility:hover { color: var(--text-main); background: var(--bg-color); }
.toggle-visibility:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.toggle-visibility svg { width: 20px; height: 20px; }

.password-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.password-actions .btn { flex: 1; min-width: 80px; min-height: 40px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-size: 0.82rem; padding: 8px 12px; }
.password-actions .btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ========== STRENGTH METER ========== */
.pg-meter-section { padding: 16px 20px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); }

.meter-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.meter-label { font-weight: 700; font-size: 0.9rem; color: var(--text-main); text-transform: uppercase; letter-spacing: 0.3px; }
.meter-score { font-weight: 800; font-size: 1rem; padding: 3px 12px; border-radius: 20px; background: var(--bg-color); transition: var(--transition); }
[data-theme="dark"] .meter-score { background: var(--card-bg); }

.meter-bar-track { width: 100%; height: 10px; background: var(--border-color); border-radius: 5px; overflow: hidden; }
.meter-bar-fill { height: 100%; border-radius: 5px; transition: width 0.4s ease, background 0.4s ease; }

.meter-levels { display: flex; justify-content: space-between; margin-top: 6px; }
.meter-levels span { font-size: 0.68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.2px; }

/* Meter Colors */
.meter-score.weak { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.meter-score.fair { background: rgba(245, 158, 11, 0.15); color: #d97706; }
.meter-score.good { background: rgba(234, 179, 8, 0.15); color: #a16207; }
.meter-score.strong { background: rgba(34, 197, 94, 0.15); color: #16a34a; }
.meter-score.very-strong { background: rgba(16, 185, 129, 0.15); color: #059669; }

.meter-bar-fill.weak { background: linear-gradient(90deg, #ef4444, #dc2626); }
.meter-bar-fill.fair { background: linear-gradient(90deg, #f59e0b, #d97706); }
.meter-bar-fill.good { background: linear-gradient(90deg, #eab308, #ca8a04); }
.meter-bar-fill.strong { background: linear-gradient(90deg, #22c55e, #16a34a); }
.meter-bar-fill.very-strong { background: linear-gradient(90deg, #10b981, #059669); }

[data-theme="dark"] .meter-score.weak { background: rgba(239, 68, 68, 0.25); }
[data-theme="dark"] .meter-score.fair { background: rgba(245, 158, 11, 0.25); }
[data-theme="dark"] .meter-score.good { background: rgba(234, 179, 8, 0.25); }
[data-theme="dark"] .meter-score.strong { background: rgba(34, 197, 94, 0.25); }
[data-theme="dark"] .meter-score.very-strong { background: rgba(16, 185, 129, 0.25); }

/* ========== ANALYSIS ========== */
.pg-analysis { padding: 16px 20px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); }

.analysis-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.analysis-item { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 10px; background: var(--bg-color); border-radius: 6px; border: 1px solid var(--border-color); }
[data-theme="dark"] .analysis-item { background: var(--card-bg); }
.analysis-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.3px; font-weight: 600; }
.analysis-value { font-size: 1rem; font-weight: 700; color: var(--text-main); }

/* Character Breakdown */
.analysis-breakdown { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.breakdown-item { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--text-main); }
.breakdown-bar { height: 8px; border-radius: 4px; min-width: 4px; transition: width 0.3s ease; }
.breakdown-item[data-type="uppercase"] .breakdown-bar { background: var(--accent); }
.breakdown-item[data-type="lowercase"] .breakdown-bar { background: #22c55e; }
.breakdown-item[data-type="numbers"] .breakdown-bar { background: #f59e0b; }
.breakdown-item[data-type="symbols"] .breakdown-bar { background: #ef4444; }
.breakdown-label { flex: 1; font-size: 0.82rem; color: var(--text-muted); }
.breakdown-count { font-weight: 700; font-size: 0.82rem; color: var(--text-main); min-width: 20px; text-align: right; }

/* Warnings */
.analysis-warnings { padding: 12px 16px; background: rgba(245, 158, 11, 0.08); border: 1px solid rgba(245, 158, 11, 0.2); border-radius: 6px; }
[data-theme="dark"] .analysis-warnings { background: rgba(245, 158, 11, 0.12); }
.warning-header { display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 0.85rem; color: #d97706; margin-bottom: 8px; }
.warning-header svg { width: 16px; height: 16px; flex-shrink: 0; }
#warningList { list-style: none; padding: 0; margin: 0; }
#warningList li { font-size: 0.82rem; color: var(--text-main); padding: 4px 0 4px 16px; position: relative; line-height: 1.5; }
#warningList li::before { content: '\\2022'; position: absolute; left: 4px; color: #d97706; font-weight: 700; }

/* ========== HISTORY ========== */
.pg-history { padding: 16px 20px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); }
.history-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.history-header h3 { font-size: 0.95rem; font-weight: 700; color: var(--text-main); display: flex; align-items: center; gap: 6px; }
.history-header h3 svg { width: 16px; height: 16px; color: var(--accent); }
.btn-sm { padding: 6px 12px; font-size: 0.78rem; border: 1px solid var(--border-color); background: transparent; color: var(--text-main); border-radius: 6px; cursor: pointer; display: inline-flex; align-items: center; gap: 4px; transition: var(--transition); font-family: var(--font-family); font-weight: 600; }
.btn-sm:hover { border-color: var(--danger); color: var(--danger); }
.btn-sm:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-sm svg { width: 14px; height: 14px; }

.history-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; max-height: 200px; overflow-y: auto; }
.history-list li { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: var(--bg-color); border: 1px solid var(--border-color); border-radius: 6px; font-family: 'SFMono-Regular', Consolas, 'Courier New', monospace; font-size: 0.82rem; color: var(--text-main); }
[data-theme="dark"] .history-list li { background: var(--card-bg); }
.history-list li .history-pw { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-list li .history-copy { flex-shrink: 0; padding: 4px 8px; font-size: 0.72rem; background: var(--accent); color: white; border: none; border-radius: 4px; cursor: pointer; transition: var(--transition); font-family: var(--font-family); }
.history-list li .history-copy:hover { background: var(--accent-hover); }

/* ========== ANALYZER ========== */
.pg-analyzer-section { margin-top: 24px; padding: 24px; background: var(--bg-color); border: 1px solid var(--border-color); border-radius: var(--radius); }
[data-theme="dark"] .pg-analyzer-section { background: var(--card-bg); }

.analyzer-desc { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 12px; line-height: 1.6; }
.analyzer-input-row { display: flex; gap: 10px; }
.analyzer-input-row .pg-input { flex: 1; }
.analyzer-input-row .btn { flex-shrink: 0; min-height: 44px; }
.analyzer-result { margin-top: 14px; }

/* ========== ERROR ========== */
.converter-error { background: rgba(239, 68, 68, 0.08); color: #ef4444; padding: 12px 16px; border-radius: var(--radius-md); margin-top: 12px; font-weight: 500; font-size: 0.9rem; border: 1px solid rgba(239, 68, 68, 0.2); display: none; align-items: center; gap: 8px; }
.converter-error.show { display: flex; }
.converter-error svg { width: 18px; height: 18px; flex-shrink: 0; }
[data-theme="dark"] .converter-error { background: rgba(239, 68, 68, 0.12); }

/* ========== PRIVACY ========== */
.privacy-notice { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 16px; background: rgba(16, 185, 129, 0.08); border: 1px solid rgba(16, 185, 129, 0.2); border-radius: var(--radius-md); color: #10b981; font-size: 0.88rem; font-weight: 600; margin-top: 20px; }
.privacy-notice svg { width: 16px; height: 16px; flex-shrink: 0; }
[data-theme="dark"] .privacy-notice { background: rgba(16, 185, 129, 0.1); }

/* ========== TOAST ========== */
.toast-notification { position: fixed; bottom: 24px; right: 24px; background: var(--card-bg); color: var(--text-main); padding: 14px 24px; border-radius: var(--radius-md); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15); font-weight: 600; font-size: 0.9rem; transform: translateY(100px); opacity: 0; transition: all 0.35s cubic-bezier(0.68, -0.55, 0.265, 1.55); z-index: 1000; display: flex; align-items: center; gap: 10px; border-left: 4px solid #10b981; max-width: 360px; pointer-events: none; }
.toast-notification.show { transform: translateY(0); opacity: 1; pointer-events: auto; }
.toast-notification.error { border-left-color: #ef4444; }
.toast-notification svg { width: 18px; height: 18px; flex-shrink: 0; }
[data-theme="dark"] .toast-notification { background: var(--card-bg); border-color: var(--border-color); }

/* ========== CONTENT SECTIONS ========== */
.content-section { padding: 64px 0; }
.content-section.bg-alt { background: var(--bg-color); }
.content-section h2 { text-align: center; font-size: 1.65rem; font-weight: 800; margin-bottom: 16px; color: var(--text-main); letter-spacing: -0.5px; }
.content-section > .container > p { text-align: center; color: var(--text-muted); max-width: 700px; margin: 0 auto 48px; line-height: 1.7; font-size: 1rem; }
.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.content-card { text-align: center; padding: 32px 20px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); transition: var(--transition); }
.content-card:hover { border-color: var(--accent); box-shadow: var(--card-shadow-hover); }
.content-card .card-icon { width: 56px; height: 56px; margin: 0 auto 16px; background: var(--accent-light); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--accent); }
.content-card .card-icon svg { width: 26px; height: 26px; }
.content-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; color: var(--text-main); }
.content-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.65; }

/* Feature Grid */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; max-width: 1000px; margin-left: auto; margin-right: auto; }
.feature-item { text-align: center; padding: 28px 20px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); transition: var(--transition); }
.feature-item:hover { border-color: var(--accent); box-shadow: var(--card-shadow-hover); }
.feature-item svg { width: 32px; height: 32px; color: var(--accent); margin-bottom: 14px; }
.feature-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--text-main); }
.feature-item p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; }

/* Knowledge Content */
.knowledge-content { max-width: 860px; margin: 0 auto; }
.knowledge-content h3 { font-size: 1.15rem; font-weight: 700; margin: 28px 0 12px; color: var(--text-main); }
.knowledge-content p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; margin-bottom: 16px; }
.knowledge-content ul { padding-left: 24px; margin-bottom: 20px; }
.knowledge-content ul li { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; margin-bottom: 6px; }

/* Related Tools */
.related-tools { padding: 60px 0; background: var(--bg-color); text-align: center; }
.related-tools h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 32px; color: var(--text-main); }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; max-width: 700px; margin: 0 auto; }
.related-link { display: flex; align-items: center; gap: 10px; padding: 12px 18px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-md); color: var(--text-main); font-weight: 600; font-size: 0.88rem; text-decoration: none; transition: var(--transition); }
.related-link:hover { border-color: var(--accent); color: var(--accent); box-shadow: var(--card-shadow-hover); }
.related-link svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--accent); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .pg-layout { gap: 24px; }
}

@media (max-width: 900px) {
  .pg-layout { grid-template-columns: 1fr; gap: 24px; }
  .content-grid { grid-template-columns: 1fr; gap: 20px; }
  .feature-grid { grid-template-columns: 1fr; gap: 20px; }
  .content-section { padding: 48px 0; }
  .checkbox-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .pg-actions { flex-direction: column; }
  .pg-actions .btn { width: 100%; }
  .password-actions { flex-direction: column; }
  .password-actions .btn { width: 100%; }
  .analyzer-input-row { flex-direction: column; }
  .mode-selector { flex-direction: column; }
  .checkbox-grid { grid-template-columns: 1fr; }
  .analysis-grid { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .content-section > .container > p { margin-bottom: 32px; }
}

@media (max-width: 600px) {
  .meter-levels span { font-size: 0.6rem; }
  .analysis-grid { grid-template-columns: 1fr 1fr; }
  .pg-analyzer-section { padding: 16px; }
  .content-section h2 { font-size: 1.35rem; }
  .related-grid { grid-template-columns: 1fr; }
  .password-field { font-size: 0.95rem; letter-spacing: 0.5px; }
}

@media (max-width: 480px) {
  .meter-header { flex-direction: column; gap: 6px; }
  .meter-score { align-self: flex-start; }
  .analysis-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .history-list { max-height: 150px; }
}

@media (max-width: 425px) {
  .tool-card { padding: 20px 16px; }
  .pg-password-box { padding: 14px; }
  .pg-meter-section { padding: 12px 16px; }
  .pg-analysis { padding: 12px 16px; }
  .pg-history { padding: 12px 16px; }
}

@media (max-width: 375px) {
  .pg-actions .btn { font-size: 0.82rem; padding: 8px 14px; min-height: 40px; }
  .password-actions .btn { font-size: 0.78rem; padding: 6px 10px; min-height: 36px; }
  .analysis-item { padding: 8px; }
  .analysis-value { font-size: 0.9rem; }
}

@media (max-width: 320px) {
  .tool-card { padding: 16px 12px; }
  .copy-pw-btn { width: 36px; height: 36px; min-width: 36px; }
  .copy-pw-btn svg { width: 16px; height: 16px; }
}