/* ===================================================
   ECHO PREMIUM DESIGN SYSTEM - STYLESHEET
   =================================================== */

:root {
  /* Premium Palette Mapping */
  --background: #fdf8f8;
  --primary: #000000;
  --secondary: #5f5e5b;
  --surface-container-low: #f7f3f2;
  --surface-container-high: #ebe7e6;
  --surface-container-lowest: #ffffff;
  --outline-variant: #c4c7c7;
  
  --accent-mint: #C3E7CB;
  --accent-rose: #F9C7C7;
  --accent-lavender: #D4D3FF;
  --accent-butter: #FDF1B8;
  
  /* Legacy/Compatibility Custom Variables */
  --bg-primary: #fdf8f8;
  --bg-secondary: #5f5e5b;
  --bg-card: #ffffff;
  --bg-card-dark: #1c1b1b;
  --color-text-main: #1c1b1b;
  --color-text-muted: #5f5e5b;
  --color-text-light: #ffffff;
  --border-color: rgba(28, 27, 27, 0.08);
  
  --border-radius-bento: 24px;
  --border-radius-inner: 12px;
  --border-radius-pill: 9999px;
  
  --font-sans: 'Montserrat', sans-serif;
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Settings */
body {
  background-color: var(--background);
  font-family: var(--font-sans);
  color: var(--color-text-main);
  margin: 0;
  overflow-x: hidden;
}

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  display: inline-block;
  vertical-align: middle;
}

.custom-card-shadow {
  box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.03);
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--surface-container-high);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--secondary);
}

.scrollbar-hide::-webkit-scrollbar {
  display: none;
}

/* Helper hidden class */
.hidden {
  display: none !important;
}

/* Modals Transition & Backdrop */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(28, 27, 27, 0.35); /* Elegant translucent overlay */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  animation: modal-fade-in 0.2s ease-out forwards;
}

@keyframes modal-fade-in {
  to { opacity: 1; }
}

.modal-content {
  background: var(--surface-container-lowest);
  border-radius: var(--border-radius-bento);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--outline-variant);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(20px) scale(0.95);
  animation: modal-scale-in 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes modal-scale-in {
  to {
    transform: translateY(0) scale(1);
  }
}

/* Modal Header Layout */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--outline-variant);
}

.modal-close {
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  font-size: 20px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  transition: var(--transition-smooth);
  line-height: 1;
}

.modal-close:hover {
  background: var(--primary);
  color: var(--surface-container-lowest);
  border-color: var(--primary);
}

/* Modal Form & Footer */
.modal-content form {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--outline-variant);
  margin-top: 8px;
}

/* Modal Tab Styles */
.modal-tabs {
  display: flex;
  background: var(--surface-container-high);
  padding: 4px;
  border-radius: var(--border-radius-pill);
  margin: 1.25rem 2rem 0;
  gap: 4px;
}

.tab-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  color: var(--secondary);
  transition: var(--transition-smooth);
}

.tab-btn.active {
  background: var(--surface-container-lowest);
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* Form Styles */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-main);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--border-radius-inner);
  color: var(--color-text-main);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  background: var(--surface-container-lowest);
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.05);
}

.form-group small {
  font-size: 0.7rem;
  color: var(--secondary);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 320px;
  max-width: 480px;
  background: var(--surface-container-lowest);
  border-left: 4px solid var(--primary);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-main);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: toast-fade-in 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes toast-fade-in {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.toast-success {
  border-left-color: #10b981;
  background: #f0fdf4;
}

.toast-error {
  border-left-color: #ef4444;
  background: #fef2f2;
}

.toast-info {
  border-left-color: #3b82f6;
  background: #eff6ff;
}

.toast i {
  font-size: 18px;
}
.toast-success i {
  color: #10b981;
}
.toast-error i {
  color: #ef4444;
}
.toast-info i {
  color: #3b82f6;
}

/* ===================================================
   LIVE CHAT MODAL & SCROLL WINDOWS
   =================================================== */

#chatModal .modal-content {
  max-width: 1050px;
  height: 82vh;
  flex-direction: row;
  overflow: hidden;
}

.chat-layout {
  display: flex;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.chat-sidebar {
  width: 320px;
  border-right: 1px solid var(--outline-variant);
  display: flex;
  flex-direction: column;
  background: var(--surface-container-lowest);
  flex-shrink: 0;
}

.chat-search {
  position: relative;
  display: flex;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--outline-variant);
}

.chat-search .search-icon {
  position: absolute;
  left: 28px;
  color: var(--secondary);
  font-size: 18px;
}

.chat-search input {
  width: 100%;
  padding: 10px 16px 10px 38px;
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--border-radius-pill);
  color: var(--color-text-main);
  font-size: 13px;
  outline: none;
  transition: var(--transition-smooth);
}

.chat-search input:focus {
  background: var(--surface-container-lowest);
  border-color: var(--primary);
}

.chat-list {
  flex: 1;
  overflow-y: auto;
}

.chat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(28, 27, 27, 0.04);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.chat-item:hover {
  background: var(--surface-container-low);
}

.chat-item.active {
  background: var(--accent-lavender);
}

.chat-item-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface-container-high);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 16px;
  flex-shrink: 0;
  border: 1px solid var(--outline-variant);
}

.chat-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chat-item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.chat-item-name {
  font-weight: 700;
  font-size: 13px;
  color: var(--color-text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-item-time {
  font-size: 11px;
  color: var(--secondary);
  font-weight: 600;
}

.chat-item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-item-preview {
  font-size: 12px;
  color: var(--secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  padding-right: 8px;
}

.chat-item-badge {
  background: var(--primary);
  color: var(--surface-container-lowest);
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* Chat Main Window */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface-container-low);
}

.chat-active-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--outline-variant);
  background: var(--surface-container-lowest);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.chat-active-header .chat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--surface-container-high);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 16px;
  border: 1px solid var(--outline-variant);
}

.chat-header-info {
  display: flex;
  flex-direction: column;
}

.chat-header-name {
  font-weight: 700;
  font-size: 14px;
}

.chat-header-status {
  font-size: 11px;
  color: var(--secondary);
  font-weight: 500;
}

.chat-messages-area {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-messages-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--secondary);
  text-align: center;
  gap: 8px;
}

.chat-messages-placeholder i {
  font-size: 40px;
  color: var(--outline-variant);
  margin-bottom: 8px;
}

.chat-messages-placeholder h3 {
  color: var(--primary);
  font-weight: 700;
  font-size: 18px;
  margin: 0;
}

.chat-messages-placeholder p {
  font-size: 13px;
  max-width: 280px;
  margin: 0;
}

/* Chat Message Bubbles */
.message-bubble-wrapper {
  display: flex;
  width: 100%;
}

.message-bubble-wrapper.outgoing {
  justify-content: flex-end;
}

.message-bubble-wrapper.incoming {
  justify-content: flex-start;
}

.message-bubble {
  max-width: 70%;
  padding: 10px 14px;
  border-radius: 16px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.01);
}

.message-bubble-wrapper.incoming .message-bubble {
  background: var(--surface-container-lowest);
  color: var(--color-text-main);
  border-bottom-left-radius: 4px;
  border: 1px solid var(--outline-variant);
}

.message-bubble-wrapper.outgoing .message-bubble {
  background: var(--primary);
  color: var(--surface-container-lowest);
  border-bottom-right-radius: 4px;
}

.message-sender {
  font-size: 11px;
  font-weight: 700;
  color: var(--secondary);
}

.message-text {
  font-size: 13px;
  line-height: 1.45;
  word-break: break-word;
  white-space: pre-wrap;
}

.message-meta {
  align-self: flex-end;
  font-size: 10px;
  color: rgba(28, 27, 27, 0.45);
  font-weight: 600;
  margin-top: 2px;
}

.message-bubble-wrapper.outgoing .message-meta {
  color: rgba(255, 255, 255, 0.65);
}

.message-media-container {
  margin-bottom: 4px;
  border-radius: var(--border-radius-inner);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.message-media-image {
  max-width: 100%;
  max-height: 240px;
  display: block;
  object-fit: cover;
  cursor: pointer;
}

.message-media-video {
  max-width: 100%;
  max-height: 240px;
  display: block;
}

.message-media-audio {
  width: 220px;
  height: 40px;
}

.message-media-doc {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  color: inherit;
  text-decoration: none;
  font-size: 13px;
  background: rgba(0, 0, 0, 0.02);
}

.message-media-doc i {
  font-size: 20px;
}

.message-bubble-wrapper.outgoing .message-media-doc i {
  color: var(--accent-mint);
}

/* Chat Input & Attachment Drawer */
.chat-media-drawer {
  padding: 16px;
  background: var(--surface-container-lowest);
  border-top: 1px solid var(--outline-variant);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.media-drawer-row {
  display: flex;
  gap: 12px;
}

.form-group-media {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group-media.flex-1 {
  flex: 1;
}

.form-group-media label {
  font-size: 10px;
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
}

.form-group-media select,
.form-group-media input {
  padding: 6px 10px;
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--border-radius-inner);
  color: var(--color-text-main);
  font-family: var(--font-sans);
  font-size: 12px;
  outline: none;
  transition: var(--transition-smooth);
}

.form-group-media select:focus,
.form-group-media input:focus {
  background: var(--surface-container-lowest);
  border-color: var(--primary);
}

.custom-file-upload {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-container-low);
  border: 1px dashed var(--secondary);
  padding: 6px 10px;
  height: 32px;
  border-radius: var(--border-radius-inner);
  color: var(--secondary);
  cursor: pointer;
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-input-area {
  padding: 16px;
  border-top: 1px solid var(--outline-variant);
  background: var(--surface-container-lowest);
}

.chat-input-area form {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-chat-attach {
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-chat-attach:hover,
.btn-chat-attach.active {
  background: var(--primary);
  color: var(--surface-container-lowest);
}

.chat-input-area input {
  flex: 1;
  padding: 10px 18px;
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--border-radius-pill);
  color: var(--color-text-main);
  font-size: 13px;
  outline: none;
  transition: var(--transition-smooth);
}

.chat-input-area input:focus {
  background: var(--surface-container-lowest);
  border-color: var(--primary);
}

.btn-chat-send {
  background: var(--primary);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--surface-container-lowest);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-chat-send:hover {
  transform: scale(1.05);
}

.btn-chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Groups and items styling inside modal */
.groups-header-actions {
  display: flex;
  gap: 10px;
  padding: 1.25rem 2rem 0.5rem;
}

.groups-header-actions input {
  flex: 1;
  padding: 8px 12px;
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--border-radius-pill);
  font-size: 13px;
  outline: none;
}

.groups-list-container {
  padding: 1rem 2rem 2rem;
  max-height: 50vh;
  overflow-y: auto;
}

.groups-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.group-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--border-radius-inner);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.group-item:hover {
  background: var(--accent-lavender);
  border-color: var(--primary);
}

.group-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.group-subject {
  font-weight: 700;
  font-size: 13px;
  color: var(--primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.group-jid {
  font-size: 10px;
  font-family: monospace;
  color: var(--secondary);
}

.group-badge {
  background: var(--surface-container-high);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--border-radius-pill);
}

.groups-loader, .groups-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 0;
  color: var(--secondary);
  text-align: center;
  gap: 10px;
}