/* ============================================================
   FEATURES — Tools, Achievements, Easter Eggs, Clock, Parallax
   ============================================================ */

/* ===== Clock in nav ===== */
.live-clock {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.1;
  padding: 4px 10px;
  border-radius: 10px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-bd);
  font-size: 11px;
  color: var(--dim);
  min-width: 70px;
}
.live-clock .clock-time {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 940px) {
  .live-clock { display: none; }
}

/* ===== Sound toggle ===== */
.sound-toggle {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-bd);
  transition: .25s;
  font-size: 15px;
}
.sound-toggle:hover { background: rgba(255,255,255,.1); }
.sound-toggle.active { color: var(--c4); border-color: rgba(74,222,128,.4); }

/* ===== Achievements button ===== */
.ach-btn {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-bd);
  transition: .25s;
  font-size: 16px;
  position: relative;
}
.ach-btn:hover { background: rgba(255,255,255,.1); }

/* ===== Achievements toast ===== */
.achievement-toast {
  position: fixed;
  top: 90px;
  right: 20px;
  z-index: 9998;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255,201,60,.15), rgba(255,140,66,.15));
  border: 1px solid rgba(255,201,60,.4);
  backdrop-filter: blur(20px);
  box-shadow: 0 10px 40px rgba(255,140,66,.3);
  transform: translateX(400px);
  opacity: 0;
  transition: transform .5s cubic-bezier(.2,.7,.2,1), opacity .5s;
  max-width: 340px;
}
.achievement-toast.show { transform: translateX(0); opacity: 1; }
html[dir="rtl"] .achievement-toast { right: auto; left: 20px; transform: translateX(-400px); }
html[dir="rtl"] .achievement-toast.show { transform: translateX(0); }

.achievement-toast .ach-icon {
  font-size: 32px;
  animation: achPulse 1s ease-in-out infinite;
}
@keyframes achPulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.15); }
}
.achievement-toast .ach-label {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--c3);
  text-transform: uppercase;
  font-weight: 700;
}
.achievement-toast .ach-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin: 2px 0;
}
.achievement-toast .ach-desc {
  font-size: 12px;
  color: var(--dim);
}
@media (max-width: 500px) {
  .achievement-toast {
    top: 80px;
    right: 12px;
    left: 12px;
    max-width: none;
  }
  html[dir="rtl"] .achievement-toast { right: 12px; left: 12px; }
}

/* ===== Achievements panel ===== */
.ach-panel-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(12px);
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s, visibility .35s;
}
.ach-panel-overlay.show { opacity: 1; visibility: visible; }

.ach-panel {
  width: min(600px, 100%);
  max-height: 85vh;
  overflow-y: auto;
  padding: 32px;
  border-radius: 24px;
  background: var(--nav-bg);
  border: 1px solid var(--glass-bd);
  position: relative;
  transform: translateY(20px) scale(.96);
  transition: transform .4s cubic-bezier(.2,.7,.2,1);
}
.ach-panel-overlay.show .ach-panel { transform: translateY(0) scale(1); }

.ach-panel h2 {
  font-size: 24px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--c2), var(--c3));
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}

.ach-close {
  position: absolute;
  top: 14px; right: 16px;
  width: 34px; height: 34px;
  border-radius: 10px;
  font-size: 20px;
  color: var(--dim);
  transition: .2s;
}
html[dir="rtl"] .ach-close { right: auto; left: 16px; }
.ach-close:hover { color: var(--text); background: var(--glass-bg); }

.ach-progress { margin-bottom: 22px; }
.ach-progress-bar {
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,.08);
  overflow: hidden;
  margin-bottom: 8px;
}
.ach-progress-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--c2), var(--c3));
  border-radius: 3px;
  transition: width .6s cubic-bezier(.2,.7,.2,1);
}
.ach-progress p {
  text-align: center;
  font-size: 12px;
  color: var(--dim);
}

.ach-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 10px;
}
.ach-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-bd);
  transition: .25s;
}
.ach-item.unlocked {
  background: linear-gradient(135deg, rgba(255,201,60,.08), rgba(255,140,66,.08));
  border-color: rgba(255,201,60,.3);
}
.ach-item.locked { opacity: 0.5; }
.ach-item-icon { font-size: 24px; flex-shrink: 0; }
.ach-item-text strong {
  display: block;
  font-size: 14px;
  color: var(--text);
}
.ach-item-text small {
  font-size: 11px;
  color: var(--dim);
}

/* ===== Easter egg overlay ===== */
.ee-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0,0,0,.85);
  backdrop-filter: blur(20px);
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .5s, visibility .5s;
}
.ee-overlay.show { opacity: 1; visibility: visible; }

.ee-content {
  text-align: center;
  padding: 40px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,201,60,.15), rgba(176,38,255,.15));
  border: 1px solid rgba(255,201,60,.4);
  max-width: 420px;
  transform: scale(0.8);
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
}
.ee-overlay.show .ee-content { transform: scale(1); }

.ee-gem {
  font-size: 72px;
  margin-bottom: 16px;
  animation: gemSpin 2s ease-in-out infinite;
  filter: drop-shadow(0 0 30px rgba(255,201,60,.6));
}
@keyframes gemSpin {
  0%, 100% { transform: rotate(-10deg) scale(1); }
  50%      { transform: rotate(10deg) scale(1.1); }
}

.ee-content h2 {
  font-size: 26px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--c2), var(--c3));
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.ee-content p { color: var(--dim); margin-bottom: 20px; }

/* ===== Confetti ===== */
.confetti-piece {
  position: fixed;
  top: -20px;
  z-index: 99998;
  pointer-events: none;
  animation: confettiFall linear forwards;
}
@keyframes confettiFall {
  0% { transform: translateY(-20px) rotate(0); opacity: 1; }
  100% { transform: translateY(105vh) rotate(720deg); opacity: 0; }
}

/* ===== Matrix canvas ===== */
.matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: 99997;
  pointer-events: none;
  opacity: 0.85;
}

/* ===== Rainbow mode ===== */
html.rainbow-mode {
  animation: rainbowShift 2s linear infinite;
}
html.rainbow-mode .blob { animation-duration: 3s !important; }
@keyframes rainbowShift {
  0%   { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

/* ============================================================
   TOOLS SECTION
   ============================================================ */

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}

.tool-card {
  padding: 24px;
  border-radius: 22px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-bd);
  backdrop-filter: blur(12px);
}

.tool-card h3 {
  font-size: 16px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}
.tool-card h3 .tool-icon {
  font-size: 20px;
}

/* Calculator */
.calc {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.calc-display {
  padding: 18px 20px;
  border-radius: 14px;
  background: rgba(0,0,0,.35);
  text-align: right;
  font-size: 28px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
html.light .calc-display { background: rgba(255,255,255,.6); }

.calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.calc-btn {
  padding: 16px 8px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  background: var(--glass-bg);
  border: 1px solid var(--glass-bd);
  color: var(--text);
  transition: .15s;
  cursor: none;
  font-variant-numeric: tabular-nums;
}
.calc-btn:hover { background: rgba(255,255,255,.1); transform: translateY(-1px); }
.calc-btn:active { transform: translateY(0); }
.calc-btn.op { color: var(--c2); }
.calc-btn.fn { color: var(--c5); }
.calc-btn.eq {
  background: linear-gradient(135deg, var(--c1), var(--c2));
  color: #fff;
  border-color: transparent;
}
.calc-btn.zero { grid-column: span 2; }

/* Password generator */
.pw-gen { display: flex; flex-direction: column; gap: 12px; }
.pw-input-row {
  display: flex;
  gap: 8px;
}
.pw-input-row input {
  flex: 1;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--glass-bd);
  background: rgba(0,0,0,.25);
  color: var(--text);
  font-size: 14px;
  font-family: 'Courier New', monospace;
  outline: none;
}
html.light .pw-input-row input { background: rgba(255,255,255,.6); }

.pw-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--dim);
}
.pw-slider-row input[type="range"] {
  flex: 1;
  accent-color: var(--c2);
  cursor: none;
}

/* QR */
.qr-gen { display: flex; flex-direction: column; gap: 12px; }
.qr-input-row { display: flex; gap: 8px; }
.qr-input-row input {
  flex: 1;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--glass-bd);
  background: rgba(0,0,0,.25);
  color: var(--text);
  font-size: 14px;
  outline: none;
}
html.light .qr-input-row input { background: rgba(255,255,255,.6); }

.qr-result {
  display: none;
  text-align: center;
  padding: 16px;
  border-radius: 14px;
  background: rgba(0,0,0,.2);
  margin-top: 8px;
}
html.light .qr-result { background: rgba(255,255,255,.5); }
.qr-result img {
  max-width: 200px;
  width: 100%;
  border-radius: 12px;
  background: #fff;
  padding: 8px;
}

/* Color picker */
.color-picker { display: flex; flex-direction: column; gap: 14px; }
.color-preview {
  height: 80px;
  border-radius: 14px;
  border: 1px solid var(--glass-bd);
  transition: background .2s;
}
.color-input-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.color-input-row input[type="color"] {
  width: 50px;
  height: 44px;
  padding: 0;
  border-radius: 12px;
  border: 1px solid var(--glass-bd);
  background: transparent;
  cursor: none;
}
.color-values { display: flex; flex-direction: column; gap: 6px; }
.color-values input {
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--glass-bd);
  background: rgba(0,0,0,.25);
  color: var(--text);
  font-size: 12px;
  font-family: 'Courier New', monospace;
  outline: none;
  width: 100%;
}
html.light .color-values input { background: rgba(255,255,255,.6); }

/* ============================================================
   PARALLAX LAYER
   ============================================================ */

.parallax-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.p-shape {
  position: absolute;
  opacity: 0.6;
  transition: transform .1s linear;
  will-change: transform;
}

.p-shape-circle { border-radius: 50%; }
.p-shape-hex {
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}
.p-shape-tri {
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

@media (max-width: 768px), (hover: none) {
  .parallax-layer { display: none; }
}