/* =========================================================
   calendar-cooltom.cz – styles
   Default: dark mode. Light mode via [data-theme="light"].
   ========================================================= */

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

/* ---------- Dark (default) -------------------------------- */
:root {
  --clr-bg:        #0f1117;
  --clr-surface:   #1b1e2b;
  --clr-border:    #2c3050;
  --clr-text:      #e8eaf0;
  --clr-muted:     #8892a4;
  --clr-available: #2ecc71;
  --clr-busy:      #e74c3c;
  --clr-maybe:     #f0a500;
  --clr-empty:     #3a3f55;
  --clr-today:     #4d90e8;
  --clr-bar-empty: #2c3050;
  --radius:        10px;
  --transition:    0.18s ease;
}

/* ---------- Light ----------------------------------------- */
[data-theme="light"] {
  --clr-bg:        #f4f5f7;
  --clr-surface:   #ffffff;
  --clr-border:    #e0e0e0;
  --clr-text:      #1a1a2e;
  --clr-muted:     #777;
  --clr-available: #2e9e5b;
  --clr-busy:      #d94f4f;
  --clr-maybe:     #e0a020;
  --clr-empty:     #c8ccd4;
  --clr-today:     #3a7bd5;
  --clr-bar-empty: #d8dce8;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100dvh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 2rem 1rem;
  transition: background var(--transition), color var(--transition);
}

.container { width: 100%; max-width: 720px; }

/* ---------- Title row ------------------------------------- */
.title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--clr-text);
  text-align: left;
}

/* ---------- Title-row actions (vpravo od nadpisu) --------- */
.title-row-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.theme-toggle,
.login-btn {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  width: 2.4rem;
  height: 2.4rem;
  cursor: pointer;
  color: var(--clr-text);
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0;
}
.theme-toggle:hover,
.login-btn:hover { background: var(--clr-border); }

.login-btn.is-logged-in {
  border-color: var(--clr-available);
  color: var(--clr-available);
}

/* ---------- Header ---------------------------------------- */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 0.75rem;
}

header h1 {
  font-size: 1.05rem;
  font-weight: 600;
  text-align: center;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-btn {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  width: 2.4rem;
  height: 2.4rem;
  font-size: 1.05rem;
  cursor: pointer;
  transition: background var(--transition);
  flex-shrink: 0;
  color: var(--clr-text);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.nav-btn:hover { background: var(--clr-border); }

/* ---------- Admin hint ------------------------------------ */
.admin-hint {
  text-align: center;
  font-size: 0.82rem;
  color: var(--clr-muted);
  margin-bottom: 1rem;
}

/* ---------- Week grid ------------------------------------- */
.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
}

.day-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: center;
  min-height: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.65rem 0.4rem 0;
  transition: border-color var(--transition), transform var(--transition);
  user-select: none;
  position: relative;
}

/* Wrapper den/číslo – zarovnání na desktopu i mobilu */
.day-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.day-card:not(.readonly) {
  cursor: pointer;
}

.day-card:not(.readonly):hover {
  transform: translateY(-2px);
  border-color: var(--clr-muted);
}

.day-card.today {
  border-color: var(--clr-today);
  background: color-mix(in srgb, var(--clr-today) 8%, var(--clr-surface));
  /* nepřidávat tloušťku borderu → ať mají všechny karty stejnou výšku */
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--clr-today) 22%, transparent),
              var(--shadow);
}

/* Dnes + nenastaveno: spodní pruh ať je světle modrý (podle borderu) */
.day-card.today:not(.available):not(.busy):not(.maybe) .status-bar {
  background: color-mix(in srgb, var(--clr-today) 35%, var(--clr-bar-empty));
}

.day-card.available { background: color-mix(in srgb, var(--clr-available) 10%, var(--clr-surface)); border-color: color-mix(in srgb, var(--clr-available) 40%, var(--clr-border)); }
.day-card.busy      { background: color-mix(in srgb, var(--clr-busy)      10%, var(--clr-surface)); border-color: color-mix(in srgb, var(--clr-busy)      40%, var(--clr-border)); }
.day-card.maybe     { background: color-mix(in srgb, var(--clr-maybe)     10%, var(--clr-surface)); border-color: color-mix(in srgb, var(--clr-maybe)     40%, var(--clr-border)); }

.day-name {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--clr-muted);
}

.day-num {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
}

.day-card.today .day-num {
  color: var(--clr-today);
}

.today-badge {
  display: inline-block;
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--clr-today);
  border-radius: 3px;
  padding: 1px 5px;
  margin-top: 3px;
  line-height: 1.4;
}

.day-title {
  font-size: 0.65rem;
  color: var(--clr-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
  padding: 0 3px;
  flex: 1;
}

/* ---------- Status icon ----------------------------------- */
.status-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.2rem;
  opacity: 0.55;
  flex-shrink: 0;
  transition: opacity var(--transition);
}
.day-card.available .status-icon { opacity: 0.9; color: var(--clr-available); }
.day-card.busy      .status-icon { opacity: 0.9; color: var(--clr-busy); }
.day-card.maybe     .status-icon { opacity: 0.9; color: var(--clr-maybe); }

/* ---------- Status bar (pruh dole) ------------------------ */
.status-bar {
  /* natáhne se přes celou šířku karty vč. paddingu */
  width: calc(100% + 0.8rem);
  margin-inline: -0.4rem;
  height: 6px;
  background: var(--clr-bar-empty);
  margin-top: auto;
  transition: background var(--transition);
  flex-shrink: 0;
}

.day-card.available .status-bar { background: var(--clr-available); }
.day-card.busy      .status-bar { background: var(--clr-busy); }
.day-card.maybe     .status-bar { background: var(--clr-maybe); }

/* ---------- Legend ---------------------------------------- */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.4rem;
  justify-content: center;
  margin-top: 1.5rem;
  font-size: 0.82rem;
  color: var(--clr-muted);
  align-items: center;
}

.legend-bar {
  display: inline-block;
  width: 22px;
  height: 5px;
  border-radius: 3px;
  margin-right: 5px;
  vertical-align: middle;
}
.legend-bar.available { background: var(--clr-available); }
.legend-bar.busy      { background: var(--clr-busy); }
.legend-bar.maybe     { background: var(--clr-maybe); }
.legend-bar.empty     { background: var(--clr-bar-empty); }

/* ---------- Emoji picker ---------------------------------- */
.emoji-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.emoji-btn {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 6px;
  padding: 0.2rem 0.35rem;
  font-size: 1.1rem;
  cursor: pointer;
  line-height: 1;
  transition: background var(--transition), transform var(--transition);
}
.emoji-btn:hover {
  background: var(--clr-border);
  transform: scale(1.15);
}

/* ---------- Modal ----------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-overlay[hidden] { display: none; }

.modal {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.8rem;
  width: min(380px, 90vw);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal h2 {
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  color: var(--clr-text);
}

.status-picker {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.4rem;
}

.status-btn {
  border: 2px solid transparent;
  border-radius: 8px;
  padding: 0.5rem 0.2rem;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  background: var(--clr-bg);
  color: var(--clr-text);
}

.status-btn.available { border-color: var(--clr-available); }
.status-btn.maybe     { border-color: var(--clr-maybe); }
.status-btn.busy      { border-color: var(--clr-busy); }

.status-btn.selected.available { background: var(--clr-available); color: #fff; }
.status-btn.selected.maybe     { background: var(--clr-maybe); color: #fff; }
.status-btn.selected.busy      { background: var(--clr-busy); color: #fff; }

#modal-title {
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  width: 100%;
  outline: none;
  transition: border-color var(--transition);
  font-family: inherit;
  background: var(--clr-bg);
  color: var(--clr-text);
}
#modal-title:focus { border-color: var(--clr-today); }

.modal-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.modal-actions button {
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition);
  font-family: inherit;
}
.modal-actions button:hover { opacity: 0.8; }

#modal-save { background: var(--clr-today); color: #fff; }
.btn-danger  { background: var(--clr-busy); color: #fff; }
.btn-secondary { background: var(--clr-bg); color: var(--clr-text); border: 1px solid var(--clr-border); }

/* ---------- Login modal ----------------------------------- */
.login-modal-box {
  width: min(340px, 92vw);
  gap: 1.25rem;
}

.login-modal-box h2 { font-size: 1rem; text-align: center; color: var(--clr-text); }

.login-modal-box .key-input-wrap {
  position: relative;
}

.login-modal-box input[type="password"],
.login-modal-box input[type="text"] {
  width: 100%;
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  padding: 0.6rem 2.6rem 0.6rem 0.8rem;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--clr-bg);
  color: var(--clr-text);
  outline: none;
  transition: border-color var(--transition);
}
.login-modal-box input:focus { border-color: var(--clr-today); }
.login-modal-box input.input-error {
  border-color: var(--clr-busy);
  animation: shake 0.35s ease;
}
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  60%      { transform: translateX(6px); }
}
.login-modal-box button:disabled { opacity: 0.5; cursor: default; }

.key-toggle-vis {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--clr-muted);
  display: flex;
  align-items: center;
  padding: 0.2rem;
}
.key-toggle-vis:hover { color: var(--clr-text); }

.login-modal-box .modal-actions { justify-content: stretch; }
.login-modal-box .modal-actions button { flex: 1; }

/* ---------- Login page ------------------------------------ */
.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-top: 6rem;
}
.login-container h1 { font-size: 1.4rem; }
#login-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 280px;
}
#login-form input, #login-form button {
  border-radius: 8px;
  padding: 0.65rem 0.9rem;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
}
#login-form input {
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  color: var(--clr-text);
  transition: border-color var(--transition);
}
#login-form input:focus { border-color: var(--clr-today); }
#login-form button {
  background: var(--clr-today);
  color: #fff;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

/* ---------- Responsive ------------------------------------ */

/* Mobilní seznam: 1 sloupec, horizontální karta s levým pruhem */
@media (max-width: 540px) {
  body { padding: 1.25rem 0.75rem; }

  .site-title { font-size: 1.2rem; }

  .week-grid {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .day-card {
    flex-direction: row;
    align-items: center;
    height: 64px;
    padding: 0.6rem 1rem;
    gap: 0;
    border-left-width: 5px;
    border-radius: var(--radius);
  }

  /* Dnešní den: resetuj border-width, ponech levý 5px */
  .day-card.today {
    border-width: 1px;
    border-left-width: 5px;
    box-shadow: none;
  }

  /* Levý barevný pruh = levý border */
  .day-card.available { border-left-color: var(--clr-available); }
  .day-card.busy      { border-left-color: var(--clr-busy); }
  .day-card.maybe     { border-left-color: var(--clr-maybe); }
  .day-card.today     { border-left-color: var(--clr-today); }

  .day-date {
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
    min-width: 3rem;
    margin-right: 1rem;
  }

  .day-name {
    font-size: 0.72rem;
    letter-spacing: 0.06em;
  }

  .day-num {
    font-size: 1.75rem;
    font-weight: 800;
  }

  .day-title {
    flex: 1;
    font-size: 0.9rem;
    white-space: normal;
    text-align: left;
    padding: 0;
    color: var(--clr-text);
  }

  .status-icon {
    margin: 0 0.5rem;
    flex-shrink: 0;
  }

  /* Spodní pruh schováme – barva je na levém borderu */
  .status-bar { display: none; }

  .site-title { font-size: 1.25rem; }
}