/* ---------------------------------------------------------------- */
/* 24-hour tide curve — an Apple Weather-style hourly graph: a single */
/* smooth line, a light metres scale, minimal type, no gridlines. All */
/* drawing (including labels) happens on the canvas itself.            */
/* ---------------------------------------------------------------- */

.tide-curve-wrap {
  position: relative;
  flex: 1.3 1 0%;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.curve-canvas-wrap {
  position: relative;
  flex: 1 1 0%;
  min-height: 0;
}

#tide-curve-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ---------------------------------------------------------------- */
/* Day slider — scrub up to 30 days ahead.                            */
/* ---------------------------------------------------------------- */

.curve-controls {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-2) var(--space-2);
}

.curve-date-label {
  flex: 0 0 auto;
  min-width: 8em;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--c-brass-100);
  letter-spacing: 0.02em;
}

.curve-slider-max {
  flex: 0 0 auto;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-text-700);
}

.curve-slider {
  flex: 1 1 auto;
  -webkit-appearance: none;
  appearance: none;
  height: 1.4rem;
  background: transparent;
  cursor: pointer;
  /* Without this, touch browsers (iOS Safari especially) have to guess
     whether a drag here means "move the thumb" or "scroll the page" -
     a single tap is unambiguous so that always worked, but an actual
     drag gesture could get interpreted as a page scroll instead of a
     slider move. This tells the browser the element handles its own
     horizontal drag, so vertical/page gestures are never captured here. */
  touch-action: none;
}

.curve-slider:disabled {
  cursor: default;
  opacity: 0.4;
}

/* Track */
.curve-slider::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(
    to right,
    var(--c-brass-500) 0%,
    var(--c-brass-500) var(--curve-slider-fill, 0%),
    rgba(201, 164, 100, 0.16) var(--curve-slider-fill, 0%),
    rgba(201, 164, 100, 0.16) 100%
  );
}
.curve-slider::-moz-range-track {
  height: 3px;
  border-radius: 999px;
  background: rgba(201, 164, 100, 0.16);
}
.curve-slider::-moz-range-progress {
  height: 3px;
  border-radius: 999px;
  background: var(--c-brass-500);
}

/* Thumb */
.curve-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1.2rem;
  height: 1.2rem;
  margin-top: -0.55rem;
  border-radius: 50%;
  background: var(--c-brass-100);
  box-shadow: 0 0 0 4px rgba(201, 164, 100, 0.18), 0 0 16px var(--c-brass-glow);
  border: none;
  transition: transform var(--dur-fast) var(--ease-bridge);
}
.curve-slider:active::-webkit-slider-thumb {
  transform: scale(1.15);
}
.curve-slider::-moz-range-thumb {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: var(--c-brass-100);
  box-shadow: 0 0 0 4px rgba(201, 164, 100, 0.18), 0 0 16px var(--c-brass-glow);
  border: none;
}