/* ==========================================
   FLOATING BUTTON - ESTUDO RÁPIDO
   ========================================== */

#generalized-study-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  user-select: none;
  touch-action: none;
}

.floating-study-btn {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), #00a89f);
  color: white;
  border: none;
  cursor: grab;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(69, 164, 196, 0.4);
  transition: all 0.3s ease;
  font-size: 24px;
  touch-action: none;
}

.floating-study-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(69, 164, 196, 0.6);
}

.floating-study-btn:active {
  transform: scale(0.95);
}

.floating-study-btn svg {
  width: 32px;
  height: 32px;
}

/* ==========================================
   MODAL - ESTUDO RÁPIDO
   ========================================== */

#quick-study-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
  animation: fadeIn 0.3s ease;
  backdrop-filter: blur(4px);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.quick-study-modal-content {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 30px;
  max-width: 500px;
  width: 100%;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.quick-study-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.quick-study-header h2 {
  margin: 0;
  flex: 1;
  line-height: 1;
}

.btn-toggle-form {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 18px;
  color: var(--primary-color);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease;
  border-radius: 4px;
  flex-shrink: 0;
  min-width: 40px;
  height: 40px;
  border-radius: 10px;
}

.btn-toggle-form:hover {
  background: rgba(69, 164, 196, 0.1);
}

.btn-toggle-form.collapsed i {
  transform: rotate(-180deg);
}

#form-quick-study {
  overflow: hidden;
  height: auto;
  opacity: 1;
  transition:
    height 0.45s ease,
    opacity 0.25s ease;
}

#form-quick-study.hidden {
  opacity: 0;
  pointer-events: none;
}

.quick-study-modal-content h2 {
  margin-top: 0;
  color: var(--primary-color);
  text-align: start;
}

.quick-study-timer-section {
  text-align: center;
  margin-bottom: 30px;
  padding: 20px;
  background: rgba(69, 164, 196, 0.08);
  border-radius: 8px;
  position: relative;
}

#quick-study-timer-display {
  font-size: 48px;
  font-weight: bold;
  color: var(--primary-color);
  font-variant-numeric: tabular-nums;
  font-family: "Courier New", monospace;
}

/* Controles de play/pause quando formulário está colapsado */
.quick-study-controls-collapsed {
  display: none;
  gap: 12px;
  margin-top: 15px;
  justify-content: center;
  align-items: center;
}

.btn-quick-control {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.btn-quick-control:hover {
  background: #00a89f;
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(69, 164, 196, 0.4);
}

.btn-quick-control:active {
  transform: scale(0.95);
}

.btn-quick-control i {
  pointer-events: none;
}

.quick-study-timer-section p {
  color: var(--text-secondary);
  font-size: 12px;
  margin: 10px 0 0 0;
}

.quick-study-modal-content .form-group {
  margin-bottom: 18px;
}

.quick-study-modal-content label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.quick-study-modal-content input,
.quick-study-modal-content select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--input-bg);
  color: var(--text-color);
  font-size: 14px;
  transition: border-color 0.2s ease;
  box-sizing: border-box;
}

.quick-study-modal-content input:focus,
.quick-study-modal-content select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(69, 164, 196, 0.1);
}

.quick-study-checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.quick-study-checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  margin: 0;
}

.quick-study-checkbox-group label {
  margin: 0;
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  text-transform: none;
  letter-spacing: normal;
}

.quick-study-button-group {
  display: flex;
  gap: 12px;
  margin-top: 30px;
}

.quick-study-button-group button {
  flex: 1;
  padding: 12px 16px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

#btn-quick-study-finish {
  background: var(--primary-color);
  color: white;
}

#btn-quick-study-finish:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(69, 164, 196, 0.3);
}

#btn-quick-study-cancel {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

#btn-quick-study-cancel:hover {
  background: rgba(0, 0, 0, 0.02);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

#btn-quick-study-pause {
  background: rgba(69, 164, 196, 0.1);
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

#btn-quick-study-pause:hover {
  background: rgba(69, 164, 196, 0.15);
}

#btn-quick-study-pause.btn-outline {
  opacity: 0.7;
}

.quick-study-note {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 12px;
  text-align: justify;
  padding: 12px;
  background: rgba(0, 0, 0, 0.02);
  border-radius: 4px;
  border-left: 3px solid var(--primary-color);
}

/* ==========================================
   RESPONSIVO
   ========================================== */

@media (max-width: 768px) {
  #generalized-study-container {
    bottom: 20px;
    right: 20px;
  }

  .floating-study-btn {
    width: 60px;
    height: 60px;
  }

  .floating-study-btn svg {
    width: 28px;
    height: 28px;
  }

  .quick-study-modal-content {
    padding: 20px;
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
  }

  #quick-study-timer-display {
    font-size: 36px;
  }

  .quick-study-timer-section {
    margin-bottom: 20px;
    padding: 15px;
  }

  .quick-study-modal-content .form-group {
    margin-bottom: 14px;
  }

  .quick-study-modal-content label {
    font-size: 12px;
    margin-bottom: 6px;
  }

  .quick-study-modal-content input,
  .quick-study-modal-content select {
    padding: 8px 10px;
    font-size: 13px;
  }

  .quick-study-button-group {
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
  }

  .quick-study-button-group button {
    width: 100%;
    padding: 10px 12px;
    font-size: 13px;
  }

  .quick-study-note {
    font-size: 10px;
    padding: 8px;
    margin-top: 8px;
  }
}

@media (max-width: 480px) {
  #generalized-study-container {
    bottom: 15px;
    right: 15px;
  }

  .floating-study-btn {
    width: 56px;
    height: 56px;
  }

  .floating-study-btn svg {
    width: 24px;
    height: 24px;
  }

  #quick-study-modal {
    padding: 30px;
  }

  .quick-study-modal-content {
    padding: 16px;
    max-width: 100%;
    max-height: 75vh;
    overflow-y: auto;
  }

  #quick-study-timer-display {
    font-size: 36px;
  }

  .quick-study-timer-section {
    margin-bottom: 18px;
    padding: 12px;
  }

  .quick-study-timer-section p {
    font-size: 11px;
    margin: 6px 0 0 0;
  }

  .quick-study-modal-content h2 {
    font-size: 18px;
  }

  .quick-study-modal-content .form-group {
    margin-bottom: 12px;
  }

  .quick-study-modal-content label {
    font-size: 11px;
    margin-bottom: 5px;
  }

  .quick-study-modal-content input,
  .quick-study-modal-content select {
    padding: 7px 8px;
    font-size: 12px;
  }

  .quick-study-checkbox-group {
    gap: 8px;
    margin-bottom: 12px;
  }

  .quick-study-checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
  }

  .quick-study-checkbox-group label {
    font-size: 11px;
  }

  .quick-study-button-group {
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
  }

  .quick-study-button-group button {
    width: 100%;
    padding: 8px 10px;
    font-size: 12px;
  }

  .quick-study-note {
    font-size: 9px;
    padding: 6px;
    margin-top: 6px;
  }
}