/* ------------ reset CSS ------------ */

* {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
  transition: background-color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

html {
  box-sizing: border-box;
  font-size: 62.5%;
  font-family: "Roboto", sans-serif;
}

:root {
  --color-correct: #43a047;
  --color-present: #e4a81d;
  --color-absent: #757575;
  --color-error: #bb3429;
  --key-bg: #e2e8f0;
  --key-absent: #757575;
  --timeline-bg: #252339;

  --white: #fefefe;
  --black: #eee;
  --light-blue: rgb(128, 207, 233);

  --background: #fefefe;
  --overlat-background: #fefefe;
  --overlay-text: #252339;
  --border-color: rgb(215, 215, 215);
  --bar-bg: #e2e8f0;
  --bar-text: #252339;

  /* Spelling Bee specific */
  --bee-yellow: #f7da21;
  --bee-yellow-dark: #e9c81a;
  --bee-orange: #f5a623;
  --bee-cell-bg: #e6e6e6;
  --bee-cell-stroke: #cfcfcf;
  --bee-text: #252339;
  --bee-pangram: #f5a623;
}

.dark-mode {
  --key-bg: #686868;
  --black: #282c34;
  --light-blue: #007bff;
  --timeline-bg: #f3f3ff;

  --overlat-background: #121213;
  --overlay-text: #ffffff;
  --background: #1b1b1b;
  --border-color: #444;
  --bar-bg: #3a3a3c;
  --bar-text: #ffffff;

  --bee-yellow: #f7da21;
  --bee-yellow-dark: #d4b91a;
  --bee-orange: #f5a623;
  --bee-cell-bg: #3a3a3c;
  --bee-cell-stroke: #555;
  --bee-text: #f3f3ff;
}

body {
  font-size: 1.6rem;
  background-color: var(--background);
  color: var(--timeline-bg);
  overflow-x: hidden;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.header {
  display: flex;
  justify-content: center;
  padding: 1rem 0;
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

.title {
  text-align: center;
  position: relative;
  user-select: none;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  padding: 0 1rem;
}

.main {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  flex-grow: 1;
  width: 100%;
  padding-top: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ------------ Difficulty selector (niveles) ------------ */

.difficulty {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0 1rem;
}

.difficulty__btn {
  padding: 0.5rem 1.4rem;
  font-size: 1.4rem;
  font-weight: bold;
  border-radius: 2rem;
  border: 2px solid var(--border-color);
  background-color: var(--background);
  color: var(--timeline-bg);
  cursor: pointer;
  user-select: none;
  transition: transform 0.04s ease-out, background-color 0.2s ease;
}

.difficulty__btn:hover {
  filter: brightness(0.95);
}

.difficulty__btn:active {
  transform: translateY(0.1rem);
}

.difficulty__btn--active {
  background-color: var(--timeline-bg);
  color: var(--background);
  border-color: var(--timeline-bg);
}

/* ------------ Status row ------------ */

.status {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
  font-size: 1.4rem;
  user-select: none;
  flex-wrap: wrap;
  justify-content: center;
  padding: 0 1rem;
}

.status__item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.status__icon {
  font-size: 1.6rem;
}

.status__value {
  font-weight: bold;
  font-variant-numeric: tabular-nums;
}

.status__label {
  font-size: 1.2rem;
  opacity: 0.7;
}

/* ------------ Progress bar de rangos ------------ */

.progress {
  width: min(90%, 420px);
  margin-bottom: 1.5rem;
  padding: 0 1rem;
}

.progress__track {
  position: relative;
  height: 0.4rem;
  background-color: var(--bar-bg);
  border-radius: 2rem;
}

.progress__fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background-color: var(--bee-orange);
  border-radius: 2rem;
  transition: width 0.4s ease;
}

.progress__markers {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 0;
}

.progress__marker {
  position: absolute;
  top: 50%;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background-color: var(--bar-bg);
  transform: translate(-50%, -50%);
  font-size: 1rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  color: transparent;
}

.progress__marker--reached {
  background-color: var(--bee-orange);
  color: var(--white);
  width: 2rem;
  height: 2rem;
  font-size: 1.1rem;
}

.progress__marker--current {
  background-color: var(--bee-yellow);
  border: 2px solid var(--bee-orange);
  width: 2.4rem;
  height: 2.4rem;
  color: var(--bee-text);
  font-size: 1.2rem;
  z-index: 2;
}

/* ------------ Word display (palabra escribiendo) ------------ */

.word-display {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 1.2rem;
  padding: 0 1rem;
  min-height: 4rem;
}

.word-display__text {
  font-size: clamp(2rem, 6vw, 2.8rem);
  font-weight: 900;
  letter-spacing: 0.15rem;
  text-transform: uppercase;
  min-height: 3.6rem;
  display: flex;
  align-items: center;
  color: var(--bee-text);
}

.word-display__placeholder {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 400;
  color: var(--color-absent);
  text-transform: none;
  letter-spacing: 0;
  font-style: italic;
}

.letter--center {
  color: var(--bee-orange);
}

.letter--invalid {
  color: var(--color-absent);
  opacity: 0.6;
}

/* shake & pop reused */
.word-display--shake {
  animation: shake 0.15s 2;
}

@keyframes shake {
  0% { transform: translateX(1%); }
  50% { transform: translateX(-1%); }
  100% { transform: translateX(1%); }
}

.word-display--pop {
  animation: pop 0.4s ease;
}

@keyframes pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.15) translateY(-0.5rem); }
  100% { transform: scale(1) translateY(-2rem); opacity: 0; }
}

/* ------------ Toast ------------ */

.toast {
  position: fixed;
  bottom: max(2rem, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(1rem);
  background-color: var(--timeline-bg);
  color: var(--background);
  padding: 0.8rem 2rem;
  border-radius: 0.5rem;
  font-weight: bold;
  font-size: 1.4rem;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  max-width: calc(100vw - 2rem);
  text-align: center;
}

.toast--show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast--success {
  background-color: var(--color-correct);
  color: var(--white);
}

.toast--pangram {
  background-color: var(--bee-orange);
  color: var(--white);
}

.toast--error {
  background-color: var(--color-error);
  color: var(--white);
}

/* ------------ Hive (panal hexagonal) ------------ */

.hive {
  width: min(80vw, 320px);
  aspect-ratio: 1 / 1;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

.hive__svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  user-select: none;
}

.hex {
  cursor: pointer;
  transition: transform 0.08s ease;
  transform-origin: center;
  transform-box: fill-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  outline: none;
}

.hex:focus,
.hex:focus-visible {
  outline: none;
}

.hex__shape {
  fill: var(--bee-cell-bg);
  stroke: var(--bee-cell-stroke);
  stroke-width: 1;
  transition: fill 0.15s ease;
}

.hex--center .hex__shape {
  fill: var(--bee-yellow);
  stroke: var(--bee-yellow-dark);
}

.hex__text {
  fill: var(--bee-text);
  font-size: 32px;
  font-weight: 900;
  text-anchor: middle;
  dominant-baseline: central;
  user-select: none;
  pointer-events: none;
  text-transform: uppercase;
}

.hex:hover .hex__shape,
.hex:active .hex__shape {
  filter: brightness(0.92);
}

.hex--pressed {
  animation: hexPress 0.18s ease;
}

@keyframes hexPress {
  0% { transform: scale(1); }
  40% { transform: scale(0.88); }
  100% { transform: scale(1); }
}

/* ------------ Keyboard / controles ------------ */

.keyboard {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  max-width: 480px;
  padding: 0 0.5rem;
  margin-bottom: 1.5rem;
  box-sizing: border-box;
}

.keyboard__row {
  width: 100%;
  display: flex;
  gap: 0.6rem;
  justify-content: center;
}

.keyboard__key {
  flex: 1 1 0;
  min-width: 0;
  height: clamp(45px, 8vh, 56px);
  background-color: var(--background);
  border: 2px solid var(--border-color);
  color: var(--timeline-bg);
  font-size: clamp(1.4rem, 3.5vw, 1.8rem);
  font-weight: bold;
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
  border-radius: 3rem;
  cursor: pointer;
  user-select: none;
  transition: transform 0.04s ease-out, background-color 0.2s ease;
  position: relative;
  padding: 0 1rem;
}

.keyboard__key--wide { flex: 1.4 1 0; }

.keyboard__key:hover {
  filter: brightness(0.95);
}

.keyboard__key:active {
  transform: translateY(0.1rem);
}

.keyboard__key--enter {
  border-color: var(--timeline-bg);
}

.keyboard__sub {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.keyboard__sub--big {
  font-size: clamp(1.4rem, 3.5vw, 1.6rem);
}

/* ------------ Found words list ------------ */

.found {
  width: min(100%, 520px);
  margin-bottom: 2rem;
  padding: 0 1rem;
  box-sizing: border-box;
}

.found__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  cursor: pointer;
  user-select: none;
  font-weight: 500;
  font-size: 1.4rem;
  background-color: var(--background);
}

.found__chevron {
  transition: transform 0.2s ease;
}

.found--open .found__chevron {
  transform: rotate(180deg);
}

.found__list {
  list-style: none;
  display: none;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 0.5rem 0.5rem;
  margin-top: -0.5rem;
  max-height: 30vh;
  overflow-y: auto;
}

.found--open .found__list {
  display: flex;
}

.found__item {
  background-color: var(--bar-bg);
  color: var(--bar-text);
  padding: 0.4rem 0.8rem;
  border-radius: 0.3rem;
  font-size: 1.3rem;
  font-weight: 500;
  text-transform: capitalize;
  letter-spacing: 0.05rem;
}

.found__item--pangram {
  background-color: var(--bee-orange);
  color: var(--white);
  font-weight: 700;
}

.space {
  flex-grow: 0;
  height: 0.5rem;
}

/* ------------- overlay (post-partida) ------------ */

.overlay {
  display: none;
  opacity: 0;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(3px);
  z-index: 900;
  transition: opacity 0.3s ease;
}

.result {
  display: none;
  position: absolute;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  overflow: hidden;
  overflow-y: auto;
  z-index: 910;
  width: 95%;
  max-width: 460px;
  height: auto;
  max-height: 90vh;
  max-height: 90dvh;
  padding: 2.5rem 1.5rem;
  background-color: var(--overlat-background);
  color: var(--overlay-text);
  box-shadow: 0.3rem 0.3rem 2rem rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  text-align: center;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.result::-webkit-scrollbar {
  display: none;
  width: 0px;
}

.overlay--show {
  display: flex;
  opacity: 1;
}

.overlay--show .result {
  display: flex;
  animation: popUp 0.4s forwards;
}

@keyframes popUp {
  0% { opacity: 0; transform: translateY(-30%) translateX(-50%); }
  100% { opacity: 1; transform: translateY(0) translateX(-50%); }
}

.result__title {
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--overlay-text);
}

.result__day {
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 700;
  margin-top: 0.4rem;
  color: var(--overlay-text);
}

.result__word-label {
  margin-top: 1.4rem;
  font-size: 1.4rem;
  color: var(--overlay-text);
  opacity: 0.8;
}

.result__word {
  color: var(--white);
  background-color: var(--bee-orange);
  margin-top: 0.6rem;
  padding: 0.6rem 1.6rem;
  font-size: 1.8rem;
  font-weight: bold;
  letter-spacing: 0.15rem;
  border-radius: 0.5rem;
  display: inline-block;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}

.result__word--score {
  background-color: var(--color-correct);
}

.title__stats {
  font-size: clamp(1.6rem, 4vw, 1.9rem);
  margin-top: 1.6rem;
  letter-spacing: 0.08em;
  color: var(--overlay-text);
}

.stats__container {
  width: 100%;
  margin: 1.2rem auto 0;
  display: flex;
  justify-content: center;
  gap: clamp(0.5rem, 2vw, 1.5rem);
  flex-wrap: nowrap;
}

.stats__element {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  flex: 1 1 0;
  min-width: 0;
}

.stats__number {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 400;
  color: var(--overlay-text);
  line-height: 1.1;
}

.stats__desc {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  margin-top: 0.3rem;
  color: var(--overlay-text);
  opacity: 0.85;
}

.result__close {
  margin-top: 2rem;
  padding: 0.8rem 2rem;
  font-size: 1.4rem;
  font-weight: bold;
  background-color: var(--timeline-bg);
  color: var(--background);
  border: none;
  border-radius: 2rem;
  cursor: pointer;
  font-family: inherit;
}

.result__close:hover { filter: brightness(0.92); }
.result__close:active { transform: translateY(0.1rem); }

/* ------------- Modal "Cómo jugar" ------------ */

.howto__subtitle {
  margin-top: 0.4rem;
  font-size: 1.4rem;
  color: var(--overlay-text);
  opacity: 0.8;
  text-align: center;
}

.howto__mini {
  width: 14rem;
  height: 14rem;
  margin: 1.4rem auto 0.6rem;
}

.howto__mini svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.howto__rules {
  list-style: none;
  width: 100%;
  margin: 1.2rem 0 0;
  padding: 0 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  text-align: left;
}

.howto__rules li {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 1.4rem;
  line-height: 1.4;
  color: var(--overlay-text);
}

.howto__rules strong {
  font-weight: 700;
}

.howto__bullet {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: var(--bee-cell-bg);
  border: 1px solid var(--bee-cell-stroke);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--bee-text);
}

.howto__bullet--center {
  background-color: var(--bee-yellow);
  border-color: var(--bee-yellow-dark);
}

.howto__bullet--pangram {
  background-color: var(--bee-orange);
  border-color: var(--bee-orange);
  color: var(--white);
}

.howto__section {
  margin-top: 1.8rem;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  color: var(--overlay-text);
  text-transform: uppercase;
  align-self: flex-start;
  padding-left: 0.5rem;
}

.howto__points {
  list-style: none;
  width: 100%;
  margin: 0.6rem 0 0;
  padding: 0 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.howto__points li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.35rem;
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--overlay-text);
}

.howto__points li:last-child {
  border-bottom: none;
}

.howto__points--bonus {
  background-color: rgba(245, 166, 35, 0.12);
  border-radius: 0.4rem;
  font-weight: 700;
  border-bottom: none !important;
  margin-top: 0.3rem;
}

.dark-mode .howto__points--bonus {
  background-color: rgba(245, 166, 35, 0.2);
}

/* ------------- dark mode toggle ------------ */

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  position: absolute;
  top: 50%;
  right: -8rem;
  transform: translateY(-50%);
}

.header__help {
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  user-select: none;
  padding: 0.5rem;
  color: var(--timeline-bg);
}

.dark__mode {
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  user-select: none;
  padding: 0.5rem;
}

.disable {
  display: none;
}

/* ------------- media queries ------------ */

@media screen and (max-width: 700px) {
  .title {
    position: static;
  }

  .title span {
    font-size: 0;
    display: block;
    overflow-x: hidden;
  }

  .header__actions {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    z-index: 1;
    gap: 0.3rem;
  }
}

@media screen and (max-width: 380px) {
  .stats__container { gap: 0.3rem; }
  .keyboard__row { gap: 0.35rem; }
  .keyboard { padding: 0 0.25rem; }
  .difficulty__btn { padding: 0.4rem 1rem; font-size: 1.3rem; }
  .status { gap: 1rem; }
}

@media screen and (max-height: 700px) {
  .hive { width: min(60vh, 280px); }
  .keyboard__key { height: clamp(38px, 7vh, 50px); }
  .word-display { margin-bottom: 0.8rem; }
}