/* ==========================================================================
   VARIABLES
   ========================================================================== */
:root {
  /* Layout & Spacing */
  --tt-margin-top: 1em;
  --tt-cell-width: 200px;
  --tt-time-cell-width: 80px;
  --tt-cell-height: 60px;
  --tt-sidebar-width: 20%;
  --tt-main-width: 80%;
  --tt-sidebar-padding: 2rem;
  --tt-sidebar-gap: 2rem;

  /* Fonts */
  --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --table-font-size: 0.8rem;
  --card-font-size: 10px;
  --list-font-size: 0.875rem;
  --modal-font-size: 10px;

  /* Colors */
  --color-border: #ccc;
  --color-bg-header: #f0f0f0;
  --color-drag-hover: #faf7e0;
  --color-card-bg: #eee;
  --color-card-hover: #ddd;
  --color-card-border-left: #0073aa;
  --color-card-text: #222;
  --color-btn-bg: #0073aa;
  --color-btn-hover: #006799;
  --color-modal-bg: #fff;
  --color-modal-shadow: rgba(0, 0, 0, 0.3);
  --color-time-modal-bg: #eee;
  --color-plus-bg: rgba(128, 128, 128, 0.2);
  --color-plus-icon: #fff;
  --color-speaker-confirmed: #5cb85c;
  --color-speaker-requested: #f0ad4e;
  --color-speaker-denied: #d9534f;

  /* Radii & Shadows */
  --radius-card: 2px;
  --radius-list-item: 0.25rem;
  --radius-modal: 6px;
  --shadow-admin: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-list-hover: 0 4px 6px rgba(0, 0, 0, 0.15);
  --shadow-modal: 0 0 10px var(--color-modal-shadow);
  --generic-box-radius: 4px;
  --session-button-box-shadow: 2px 2px 6px 2px rgba(0, 0, 0, 0.2);

  /* Buttons */
  --btn-padding-vertical: 0.5em;
  --btn-padding-horizontal: 1em;

  /* Plus Icon */
  --plus-size: 2rem;
  --plus-font-size: 1.5rem;

  /* Modal */
  --modal-top-offset: 20%;
  --modal-max-width: 1200px;
  --modal-max-height: 70vh;
}

/* ==========================================================================
     SESSION CARD
     ========================================================================== */
.session-card {
  position: absolute !important;
  top: 0;
  left: 0;
  width: var(--tt-cell-width);
  padding: 0.5em;
  margin-bottom: 0.5em;
  font-weight: 400;
  background: var(--color-card-bg);
  border-left: 4px solid var(--color-card-border-left);
  color: var(--color-card-text);
  border-radius: var(--radius-card);
  font-size: var(--card-font-size);
  cursor: move;
  z-index: 999;
  text-align: start;
  border-bottom: 2px dotted var(--color-border);
}
/* Status colours */
.session-card.status-confirmed,
.session-list-item.status-confirmed {
  border-left-color: var(--color-speaker-confirmed);
}
.session-card.status-requested,
.session-list-item.status-requested {
  border-left-color: var(--color-speaker-requested);
}
.session-card.status-denied,
.session-list-item.status-denied {
  border-left-color: var(--color-speaker-denied);
}
/* Conflict styling & animation */
.session-card.conflict {
  border: 1px solid #e74c3c;
  background-color: rgba(231, 76, 60, 0.1);
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.5);
  }
  50% {
    box-shadow: 0 0 10px 5px rgba(231, 76, 60, 0);
  }
}
/* Text truncation */
.session-card a {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}
.session-card a,
.session-card .session-start-time,
.session-card .session-end-time {
  font-size: 10px;
}
/* Focus & hover */
.session-card:focus {
  outline: 2px solid #2196f3;
}
.session-card:hover {
  background: var(--color-card-hover);
  z-index: 1000;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
}
/* Smooth revert & shake */
.session-card.reverting {
  transition: top 0.2s ease, left 0.2s ease;
}
@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20%,
  60% {
    transform: translateX(-8px);
  }
  40%,
  80% {
    transform: translateX(8px);
  }
}
.session-card.shake-revert {
  animation: shake 0.4s ease;
}

/* ==========================================================================
     SHARED ICON STYLING
     ========================================================================== */
#session-timetables .feather,
#session-timetables i[data-feather],
.custom-tooltip .feather,
.custom-tooltip i[data-feather],
.timetable-sidebar-container .feather,
.timetable-sidebar-container i[data-feather] {
  width: 1em;
  height: 1em;
  stroke-width: 0.2em;
}

/* ==========================================================================
     CARD BUTTONS (remove, edit time, info)
     ========================================================================== */
.session-card .remove-session,
.session-card .edit-time-icon,
.session-card .info-icon,
.session-list-item .info-icon {
  position: absolute;
  display: none;
  width: 24px;
  height: 20px;
  border: none;
  font-weight: 800;
  line-height: 1;
  color: #fff;
  cursor: pointer;
  padding: 0;
  justify-content: center;
  align-items: center;
}
.session-card:hover .remove-session,
.session-card:hover .edit-time-icon,
.session-card:hover .info-icon,
.session-list-item:hover .info-icon {
  display: flex;
  box-shadow: var(--session-button-box-shadow);
}

/* Remove button */
.session-card .remove-session {
  top: 0;
  right: -23px;
  background: linear-gradient(271deg, #ff0000, #ff8484);
  border-top-right-radius: 4px;
  font-size: 1.2em;
}
.session-card .remove-session:hover {
  background: linear-gradient(271deg, #ff0000, #a12828);
}

/* Edit-time icon */
.session-card .edit-time-icon {
  top: 40px;
  right: -23px;
  background: linear-gradient(130deg, #0c77aa, #6fbbe0);
  border-bottom-right-radius: 4px;
  font-size: 1.2em;
}
.session-card:hover .edit-time-icon:hover {
  background: linear-gradient(130deg, #0c77aa, #2e6c8a);
}

/* Info icon */
.session-card .info-icon {
  top: 20px;
  right: -23px;
  background: #aaa;
  font-size: 14px;
}
.session-list-item .info-icon {
  top: 50%;
  right: 0;
  background: #aaa;
  font-size: 14px;
  transform: translateY(-50%);
}
.session-card .info-icon:hover,
.session-list-item .info-icon:hover {
  background: #777;
}

/* ==========================================================================
     EDIT VENUE-NAME ICON
     ========================================================================== */
.venue-title .edit-venue-name {
  display: none;
  cursor: pointer;
}
.venue-title:hover .edit-venue-name {
  display: inline;
  font-size: 1rem;
}
.venue-title:hover .edit-venue-name:hover {
  opacity: 0.7;
}
.edit-venue-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
     INLINE TIME PICKER
     ========================================================================== */
.time-modal-container {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  flex-direction: column;
  width: 300px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-modal);
  box-shadow: var(--shadow-list-hover);
  position: inherit;
  background: white;
  overflow: hidden;
}
.time-modal-container > div {
  width: 100%;
  padding: 0.6rem;
}
.time-modal-container > .edit-session-title-container {
  background: var(--color-time-modal-bg);
  border-bottom: 2px dotted var(--color-border);
}
.time-modal-container > .edit-session-title-container > a {
  font-size: 12px;
  font-weight: bold;
}
.time-modal-container input {
  width: 100% !important;
  margin: 0 0.5em 0 0;
  font-size: var(--modal-font-size);
  padding: 0.4rem;
  height: 30px;
}
.time-modal-container .edit-category-input > label {
  width: 100%;
  font-size: 12px;
}
.session-modal-div {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
}
.edit-time-inputs.session-modal-div {
  margin: 0;
}