/* ===== EVENT MODAL — large centered modal ===== */

/* Overlay */
.em-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  visibility: hidden;
  padding: 2rem;
}
.em-overlay.em-open {
  pointer-events: auto;
  visibility: visible;
}

/* Backdrop */
.em-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background 0.3s ease;
}
.em-open .em-backdrop {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Panel — centered card */
.em-panel {
  position: relative;
  width: 780px;
  max-width: 100%;
  max-height: calc(100vh - 4rem);
  background: var(--surface);
  border-radius: 1rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2), 0 0 0 1px var(--border);
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(12px);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.2s ease;
  z-index: 1;
  overflow: hidden;
}
.em-open .em-panel {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Header */
.em-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.em-header__left {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}
.em-header__icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.625rem;
  background: var(--primary-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.em-header__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-strong);
  margin: 0;
}
.em-header__subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0.125rem 0 0 0;
}
.em-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.125rem;
  cursor: pointer;
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.em-close-btn:hover {
  background: var(--surface-3);
  color: var(--text);
}

/* Body */
.em-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.125rem 1.5rem 0.875rem 1.5rem;
}

/* Footer */
.em-footer {
  display: flex;
  gap: 0.625rem;
  padding: 0.875rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  flex-shrink: 0;
  justify-content: flex-end;
  border-radius: 0 0 1rem 1rem;
}

/* ===== TYPE TOGGLE ===== */
.em-type-toggle {
  display: flex;
  gap: 0;
  margin-bottom: 1.125rem;
  background: var(--surface-3);
  border-radius: 0.5rem;
  padding: 3px;
}
.em-type-btn {
  flex: 1;
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8125rem;
  cursor: pointer;
  border-radius: 0.375rem;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  font-family: inherit;
}
.em-type-btn--active {
  background: var(--surface);
  color: var(--primary);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
.em-type-btn:hover:not(.em-type-btn--active) {
  color: var(--text);
}

/* ===== TWO-COLUMN LAYOUT ===== */
.em-columns {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
}
.em-col--main {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.em-col--side {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ===== SECTIONS ===== */
.em-section {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 0.625rem;
  padding: 0.875rem 1rem;
}
.em-section__title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.625rem 0;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}
.em-section__title i {
  font-size: 0.6875rem;
}

/* ===== FIELDS ===== */
.em-field {
  margin-bottom: 0.625rem;
}
.em-field:last-child {
  margin-bottom: 0;
}
.em-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}
.em-hint-inline {
  font-weight: 400;
  color: var(--text-muted);
}
.em-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}
.em-input,
.em-select,
.em-textarea {
  width: 100%;
  padding: 0.4375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  font-size: 0.8125rem;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
  font-family: inherit;
}
.em-input--lg {
  padding: 0.5625rem 0.875rem;
  font-size: 0.9375rem;
  font-weight: 500;
}
.em-input:focus,
.em-select:focus,
.em-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}
.em-input::placeholder,
.em-textarea::placeholder {
  color: var(--text-subtle);
}
.em-input--date {
  cursor: pointer;
}
.em-textarea {
  resize: vertical;
  min-height: 60px;
}
.em-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.em-input-group {
  display: flex;
  gap: 0.5rem;
}
.em-input-group .em-input {
  flex: 1;
}

/* ===== CHECKBOX ===== */
.em-checkbox-wrap {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text);
  margin-top: 0.125rem;
}
.em-checkbox-input {
  display: none;
}
.em-checkbox-box {
  width: 1.125rem;
  height: 1.125rem;
  border: 2px solid var(--border-2);
  border-radius: 0.25rem;
  background: var(--surface);
  flex-shrink: 0;
  position: relative;
  transition: all 0.15s;
}
.em-checkbox-input:checked + .em-checkbox-box {
  background: var(--primary);
  border-color: var(--primary);
}
.em-checkbox-input:checked + .em-checkbox-box::after {
  content: "\2713";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--text-inverse);
  font-size: 0.6875rem;
  font-weight: bold;
}
.em-checkbox-text {
  user-select: none;
}

/* ===== SLIDER ===== */
.em-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--surface-3);
  -webkit-appearance: none;
  appearance: none;
  outline: none;
  margin: 0.375rem 0;
}
.em-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid var(--surface);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}
.em-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid var(--surface);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

/* ===== COLLAPSIBLE ===== */
.em-collapsible {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.2s ease;
  pointer-events: none;
}
.em-collapsible[data-expanded="true"] {
  max-height: 500px;
  opacity: 1;
  pointer-events: auto;
  margin-top: 0.625rem;
}

/* ===== BUTTONS ===== */
.em-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1.25rem;
  border-radius: 0.4375rem;
  font-weight: 600;
  font-size: 0.8125rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  font-family: inherit;
}
.em-btn--primary {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}
.em-btn--primary:hover:not(:disabled) {
  background: var(--primary-strong);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.em-btn--primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.em-btn--secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.em-btn--secondary:hover {
  background: var(--surface-2);
  border-color: var(--border-2);
}
.em-btn--sm {
  padding: 0.375rem 0.625rem;
  font-size: 0.8125rem;
}

/* ===== TOPICS ===== */
.em-topic-search-wrap {
  position: relative;
}
.em-topic-results {
  position: absolute;
  z-index: 10;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  max-height: 200px;
  overflow-y: auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-top: 0.25rem;
}
.em-topic-result-item {
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-size: 0.8125rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.em-topic-result-item:hover {
  background: var(--surface-2);
}
.em-topic-result-item:last-child {
  border-bottom: none;
}
.em-selected-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.5rem;
  min-height: 1.5rem;
}
.em-topic-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  background: var(--primary);
  color: var(--text-inverse);
  border-radius: 1rem;
  font-size: 0.75rem;
}
.em-topic-chip__remove {
  background: none;
  border: none;
  color: var(--text-inverse);
  cursor: pointer;
  padding: 0;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.625rem;
}
.em-topic-chip__remove:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ===== DEADLINE FIELDS ANIMATION ===== */
.em-deadline-fields {
  animation: emFadeIn 0.25s ease;
}
@keyframes emFadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVE ===== */

/* Tablet — stack columns */
@media (max-width: 820px) {
  .em-overlay {
    padding: 0.75rem;
  }
  .em-panel {
    width: 100%;
    max-height: calc(100vh - 1.5rem);
    border-radius: 0.875rem;
  }
  .em-columns {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .em-header {
    padding: 0.75rem 1.25rem;
  }
  .em-body {
    padding: 1rem 1.25rem 0.75rem 1.25rem;
  }
  .em-footer {
    padding: 0.75rem 1.25rem;
  }
}

/* Mobile — full screen */
@media (max-width: 520px) {
  .em-overlay {
    padding: 0;
  }
  .em-panel {
    width: 100vw;
    max-height: 100vh;
    height: 100vh;
    border-radius: 0;
  }
  .em-row {
    grid-template-columns: 1fr;
  }
  .em-header {
    padding: 0.75rem 1rem;
  }
  .em-body {
    padding: 0.875rem 1rem;
  }
  .em-footer {
    padding: 0.75rem 1rem;
    border-radius: 0;
  }
}

/* Lock body scroll when modal open */
body.em-body-locked {
  overflow: hidden;
}