body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f5f7fb;
  font-weight: 500;
}

.container {
  max-width: 720px;
  margin: auto;
  padding: 16px;
}

h2 {
  text-align: center;
}

.card {
  background: #fff;
  padding: 16px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  margin-bottom: 20px;
}

.file-input {
  width: 100%;
  margin-bottom: 10px;
}

/* =========================
   PROGRESS BAR
========================= */
.progress {
  margin-top: 15px;
  height: 10px;
  background: #f0f0f0;
  border-radius: 10px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: #0d98d8;
  transition: width 0.6s;
  border-radius: 10px;
  animation: all 0.6s ease-in-out;
}

#status {
  margin-top: 10px;
  font-size: 14px;
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* =========================
   MODAL
========================= */

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  z-index: 9999;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal-content {
  width: 100%;
  max-width: 200px;
  background: #ffffff;
  border-radius: 18px;
  padding: 24px;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  animation: modalPop 0.25s ease;
}

.modal-title,
#modalTitle {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 700;
  color: #111827;
}

.modal-message,
#modalMessage {
  margin: 0 0 20px;
  color: #4b5563;
  line-height: 1.5;
  word-break: break-word;
}

.modal-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  font-size: 15px;
  outline: none;
  margin-bottom: 20px;
  transition: 0.2s;
  box-sizing: border-box;
}

.modal-input:focus {
  border-color: #0d98d8;
  box-shadow: 0 0 0 4px rgba(13, 152, 216, 0.12);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* =========================
   BUTTONS
========================= */

.btn-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  display: flex;
  flex: 1;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  color: #161515;
  background-color: #dbede9;
  border: 0.6px solid #161515;
  transition: all 0.3s ease-in-out;
  min-height: 30px;
  padding: 6px 10px;
  text-decoration: none;
  font-weight: 600;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.confirm {
  background: #0d98d8;
  color: white;
}

.btn.confirm:hover {
  background: #0b84bc;
}

.btn.cancel {
  background: #eef2f7;
  color: #374151;
}

.btn.cancel:hover {
  background: #dce3eb;
}

/* =========================
   CLOSE BUTTON
========================= */

.close-btn {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 24px;
  color: #6b7280;
  cursor: pointer;
  transition: 0.2s;
}

.close-btn:hover {
  color: #111827;

  transform: rotate(90deg);
}

/* =========================
   DROPDOWN MENU
========================= */

.menu-container {
  position: relative;
}

.three-dot-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    transition: 0.2s ease;
    transform: rotate(90deg);
    padding: 0;
    color: #4b5563;
}

.three-dot-btn:hover {
    background: #f3f4f6;
    color: #111827;
}

.dropdown-menu {
  position: absolute;
  top: 38px;
  right: 0;
  min-width: 150px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  overflow: hidden;
  display: none;
  z-index: 100;
  animation: fadeIn 0.15s ease;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-item {
  width: 100%;
  border: none;
  background: white;
  padding: 12px 14px;
  text-align: left;
  cursor: pointer;
  transition: 0.2s;
  font-size: 14px;
}

.dropdown-item:hover {
  background: #f3f4f6;
}

.dropdown-item.delete {
  color: #dc2626;
}

.dropdown-item.rename {
  color: #0d98d8;
}

/* =========================
   FILE LIST
========================= */

#fileList {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
  padding-inline: 0;
}

.file-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.file-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

/* =========================
   DRAG & DROP
========================= */
.drop-zone {
  border: 2px dashed #161515;
  padding: 30px;
  text-align: center;
  border-radius: 12px;
  cursor: pointer;
  transition: 0.3s;
  background: #fafafa;
}

.drop-zone.dragover {
  border-color: #0d98d8;
  background: #e8f5e9;
}

.drop-zone p {
  margin: 5px 0;
  font-size: 14px;
}

/* 📱 Mobile tweaks */
@media (max-width: 480px) {
  button {
    font-size: 13px;
    padding: 10px;
  }

  h2 {
    font-size: 18px;
  }
}

/* Loader Styles */
.loader {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #0d98d8;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}

.toast {
  background: #333;
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  font-size: 14px;
  animation: slideIn 0.3s ease-out;
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast.success {
  background: #4caf50;
}
.toast.error {
  background: #f44336;
}
.toast.info {
  background: #2196f3;
}

/* =========================
   ANIMATIONS
========================= */

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

@keyframes modalPop {
  from {
    opacity: 0;

    transform: scale(0.95);
  }

  to {
    opacity: 1;

    transform: scale(1);
  }
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}