@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Cairo:wght@400;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  --t-bg: #0b0912;
  --t-bg-2: #110e1b;
  --t-surface: rgba(24, 19, 38, 0.72);
  --t-surface-solid: #171225;
  --t-surface-2: #1d1730;
  --t-line: rgba(167, 139, 250, 0.14);
  --t-line-strong: rgba(167, 139, 250, 0.28);
  --t-violet: #8b5cf6;
  --t-violet-2: #7c3aed;
  --t-fuchsia: #d946ef;
  --t-cyan: #22d3ee;
  --t-text-dim: #a79fbf;
  --t-grad: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 45%, #c026d3 100%);
  --t-glow: 0 0 0 1px rgba(139, 92, 246, 0.35), 0 8px 30px -6px rgba(124, 58, 237, 0.55);
  --t-shadow: 0 10px 40px -12px rgba(0, 0, 0, 0.7);

  --color-background-dark: #0b0912;
  --color-panel-dark: #110e1b;
  --color-chat-background-dark: #0e0b17;
  --color-message-bg-dark: #1b1529;
  --color-message-text-dark: #e9e5f5;
  --color-text-muted-dark: #b5aecbe6;
  --color-primary-dark: #a79fbf;
  --color-input-dark: #151020;
  --color-input-focus-dark: #120e1c;
  --color-border-dark: rgba(167, 139, 250, 0.16);
  --color-table-row-dark: #18132a;
  --color-highlight-dark: #8b5cf6;
  --color-accent-dark: #a78bfa;

  --color-secondary-light: #ede9fe;
  --color-highlight-light: #7c3aed;
  --color-accent-light: #6d28d9;

  --font-family-main: "Inter", "Cairo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-family-code: "JetBrains Mono", "Roboto Mono", monospace;
  --border-radius: 1rem;
  --border-radius-sm: 0.6rem;
  --transition-speed: 0.2s;
}

body,
.container {
  font-family: var(--font-family-main);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "cv11", "ss01";
}

body:not(.light-mode) {
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(124, 58, 237, 0.16), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(192, 38, 211, 0.10), transparent 60%),
    var(--t-bg) !important;
}

/* ---------- logos ---------- */
#a0-logo,
#a0-logo-collapsed {
  -webkit-mask-image: none !important;
  mask-image: none !important;
  background-color: transparent !important;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: left center;
}
#a0-logo { background-image: url(/public/a0-fullDark.svg); }
#a0-logo-collapsed { background-image: url(/public/a0-collapsed.svg); }

/* ---------- sidebar ---------- */
body:not(.light-mode) #left-panel {
  background: linear-gradient(180deg, rgba(20, 15, 33, 0.92), rgba(13, 10, 22, 0.96)) !important;
  border-right: 1px solid var(--t-line);
  backdrop-filter: blur(18px);
}
body:not(.light-mode) .sidebar-header-panel {
  background: var(--t-surface) !important;
  border: 1px solid var(--t-line);
  border-radius: 16px !important;
  box-shadow: var(--t-shadow);
  backdrop-filter: blur(16px);
}
.sidebar-header-panel button,
.header-action-button {
  border-radius: 10px !important;
  transition: background var(--transition-speed), color var(--transition-speed), transform var(--transition-speed);
}
.sidebar-header-panel button:hover,
.header-action-button:hover {
  background: rgba(139, 92, 246, 0.16) !important;
  color: #fff !important;
}
#chats-section h3,
#tasks-section h3,
.section-header {
  letter-spacing: 0.01em;
}
.chat-container {
  border-radius: 10px !important;
  padding-inline: 0.55rem !important;
  transition: background var(--transition-speed), box-shadow var(--transition-speed);
}
.chat-container:hover {
  background: rgba(139, 92, 246, 0.09) !important;
}
body:not(.light-mode) .chat-container.chat-selected {
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.22), rgba(139, 92, 246, 0.05)) !important;
  box-shadow: inset 2px 0 0 var(--t-violet), inset 0 0 0 1px rgba(139, 92, 246, 0.18);
}
.chat-selected .chat-name { color: #fff !important; font-weight: 600; }
.chat-list-action-btn,
.sidebar-folder-action {
  border-radius: 8px !important;
}

/* ---------- main chat area ---------- */
body:not(.light-mode) #right-panel {
  background: transparent !important;
}
#chat-history {
  scroll-behavior: smooth;
}
body:not(.light-mode) .message-user {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.30), rgba(192, 38, 211, 0.18)) !important;
  color: #fff !important;
  border: 1px solid rgba(167, 139, 250, 0.32) !important;
  border-radius: 18px 18px 6px 18px !important;
  padding: 0.7rem 1rem 0.35rem !important;
  box-shadow: 0 10px 30px -14px rgba(124, 58, 237, 0.6);
  width: fit-content !important;
  min-width: 8rem;
  max-width: 100% !important;
  margin-inline-start: auto !important;
}
.message-user .message-text,
.message-user pre {
  color: #fff !important;
  font-family: var(--font-family-main) !important;
  margin: 0 !important;
}
.message-user .step-action-buttons {
  justify-content: flex-end;
  opacity: 0.55;
  transition: opacity var(--transition-speed);
}
.message-user:hover .step-action-buttons {
  opacity: 1;
}
body:not(.light-mode) .message-group-left .message:not(.message-user) {
  background: var(--t-surface) !important;
  border: 1px solid var(--t-line);
  border-radius: 18px 18px 18px 6px !important;
  box-shadow: var(--t-shadow);
  backdrop-filter: blur(12px);
}
.msg-content,
.message-text {
  line-height: 1.65;
}
.msg-content pre,
.message-text pre code,
.msg-content code {
  font-family: var(--font-family-code) !important;
}
body:not(.light-mode) .msg-content pre {
  background: #0a0812 !important;
  border: 1px solid var(--t-line) !important;
  border-radius: 12px !important;
}

/* process / steps */
body:not(.light-mode) .process-group {
  background: rgba(20, 16, 32, 0.55) !important;
  border: 1px solid var(--t-line) !important;
  border-radius: 16px !important;
  backdrop-filter: blur(10px);
}
.process-group-header {
  border-radius: 16px 16px 0 0;
}
.process-step-header {
  border-radius: 10px;
  transition: background var(--transition-speed);
}
.process-step-header:hover {
  background: rgba(139, 92, 246, 0.08);
}
.step-badge {
  border-radius: 6px !important;
  font-family: var(--font-family-code) !important;
  letter-spacing: 0.04em;
}
body:not(.light-mode) .process-step-detail-content {
  background: rgba(10, 8, 18, 0.6) !important;
  border: 1px solid var(--t-line);
  border-radius: 12px !important;
}

/* top-right clock + project pill */
#time-date-container {
  gap: 0.5rem;
}
body:not(.light-mode) .project-dropdown-container > button,
body:not(.light-mode) #time-date-container button {
  background: var(--t-surface) !important;
  border: 1px solid var(--t-line) !important;
  border-radius: 12px !important;
  backdrop-filter: blur(12px);
}

/* ---------- composer ---------- */
body:not(.light-mode) #input-section {
  background: linear-gradient(180deg, transparent, rgba(11, 9, 18, 0.85) 30%) !important;
  border-top: 0 !important;
}
body:not(.light-mode) .input-row {
  background: rgba(23, 18, 37, 0.85) !important;
  border: 1px solid var(--t-line-strong) !important;
  border-radius: 20px !important;
  box-shadow: 0 18px 50px -20px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(18px);
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}
body:not(.light-mode) .input-row:focus-within {
  border-color: rgba(139, 92, 246, 0.6) !important;
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.14), 0 18px 50px -20px rgba(124, 58, 237, 0.55);
}
#chat-input,
#chat-input * {
  font-family: var(--font-family-main) !important;
}
#send-button,
.chat-button#send-button {
  background: var(--t-grad) !important;
  border: 0 !important;
  border-radius: 14px !important;
  box-shadow: var(--t-glow);
  transition: transform var(--transition-speed), filter var(--transition-speed), box-shadow var(--transition-speed);
}
#send-button:hover {
  transform: translateY(-1px) scale(1.03);
  filter: brightness(1.1);
}
#send-button:active { transform: scale(0.97); }
.chat-button:not(#send-button) {
  border-radius: 12px !important;
}
.model-switcher-btn,
.agent-profile-btn {
  border-radius: 999px !important;
  padding-inline: 0.6rem !important;
  transition: background var(--transition-speed);
}
.model-switcher-btn:hover,
.agent-profile-btn:hover {
  background: rgba(139, 92, 246, 0.12) !important;
}
.chat-bottom-actions-bar button {
  border-radius: 999px !important;
  transition: background var(--transition-speed), color var(--transition-speed);
}
.chat-bottom-actions-bar button:hover {
  background: rgba(139, 92, 246, 0.14) !important;
  color: #fff !important;
}

/* ---------- right canvas (Files / Browser / Desktop / Editor) ---------- */
body:not(.light-mode) .right-canvas {
  background: linear-gradient(180deg, #120e1e, #0d0a16) !important;
  border-left: 1px solid var(--t-line) !important;
  box-shadow: -20px 0 60px -30px rgba(0, 0, 0, 0.9);
}
body:not(.light-mode) .right-canvas-header {
  background: rgba(17, 13, 28, 0.9) !important;
  border-bottom: 1px solid var(--t-line) !important;
  backdrop-filter: blur(14px);
}
.right-canvas-tabs {
  gap: 0.25rem;
}
.right-canvas-tab {
  border-radius: 10px !important;
  transition: background var(--transition-speed), color var(--transition-speed);
}
.right-canvas-tab:hover {
  background: rgba(139, 92, 246, 0.1) !important;
}
body:not(.light-mode) .right-canvas-tab[aria-selected="true"],
body:not(.light-mode) .right-canvas-tab.active,
body:not(.light-mode) .right-canvas-tab.is-active {
  background: rgba(139, 92, 246, 0.18) !important;
  color: #fff !important;
  box-shadow: inset 0 0 0 1px rgba(139, 92, 246, 0.35);
}
.right-canvas-icon-button {
  border-radius: 10px !important;
}
.right-canvas-icon-button:hover {
  background: rgba(139, 92, 246, 0.14) !important;
}

/* vertical rail */
body:not(.light-mode) .right-canvas-rail {
  background: rgba(23, 18, 37, 0.82) !important;
  border: 1px solid var(--t-line);
  border-right: 0;
  border-radius: 16px 0 0 16px !important;
  box-shadow: var(--t-shadow);
  backdrop-filter: blur(16px);
  padding-block: 0.35rem;
}
.right-canvas-rail-button {
  border-radius: 10px !important;
  transition: background var(--transition-speed), color var(--transition-speed), box-shadow var(--transition-speed);
}
.right-canvas-rail-button:hover {
  background: rgba(139, 92, 246, 0.16) !important;
  color: #fff !important;
}
body:not(.light-mode) .right-canvas-rail-button.active,
body:not(.light-mode) .right-canvas-rail-button.is-active,
body:not(.light-mode) .right-canvas-rail-button[aria-pressed="true"] {
  background: var(--t-grad) !important;
  color: #fff !important;
  box-shadow: var(--t-glow);
}

/* shared surface toolbars */
body:not(.light-mode) .surface-toolbar,
body:not(.light-mode) .surface-tab-bar,
body:not(.light-mode) .browser-toolbar,
body:not(.light-mode) .editor-toolbar {
  background: rgba(17, 13, 28, 0.85) !important;
  border-bottom: 1px solid var(--t-line) !important;
}
.surface-control,
.toolbar-button {
  border-radius: 10px !important;
  transition: background var(--transition-speed), color var(--transition-speed);
}
.surface-control:hover,
.toolbar-button:hover {
  background: rgba(139, 92, 246, 0.14) !important;
  color: #fff !important;
}

/* browser panel */
body:not(.light-mode) .browser-session-tabs {
  background: rgba(13, 10, 22, 0.9);
  padding: 0.35rem 0.5rem 0;
  gap: 0.3rem;
}
.browser-tab {
  border-radius: 10px 10px 0 0 !important;
  transition: background var(--transition-speed);
}
body:not(.light-mode) .browser-tab {
  background: rgba(29, 23, 48, 0.7) !important;
  border: 1px solid var(--t-line) !important;
  border-bottom: 0 !important;
}
body:not(.light-mode) .browser-tab.active,
body:not(.light-mode) .browser-tab.is-active,
body:not(.light-mode) .browser-tab[aria-selected="true"] {
  background: rgba(17, 13, 28, 0.95) !important;
  box-shadow: inset 0 2px 0 var(--t-violet);
}
.browser-new-tab,
.browser-tab-close {
  border-radius: 8px !important;
}
body:not(.light-mode) .browser-address {
  background: rgba(10, 8, 18, 0.85) !important;
  border: 1px solid var(--t-line-strong) !important;
  border-radius: 999px !important;
  padding-inline: 2.1rem 1rem !important;
  font-family: var(--font-family-main) !important;
  font-size: 0.85rem !important;
  color: #e9e5f5 !important;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}
.browser-address:focus {
  border-color: rgba(139, 92, 246, 0.65) !important;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.16) !important;
  outline: none !important;
}
.browser-address-icon {
  color: var(--t-violet) !important;
}
.browser-navigation button,
.browser-annotate-toggle,
.browser-extensions {
  border-radius: 10px !important;
}
body:not(.light-mode) .browser-annotate-toggle {
  border: 1px solid var(--t-line) !important;
}
body:not(.light-mode) .browser-stage {
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(139, 92, 246, 0.08), transparent 70%),
    #0b0912 !important;
}
.browser-frame,
.browser-interactive-frame {
  border-radius: 12px !important;
  box-shadow: 0 0 0 1px var(--t-line), 0 20px 50px -20px rgba(0, 0, 0, 0.9);
}

/* desktop panel */
body:not(.light-mode) .office-desktop-wrap,
body:not(.light-mode) .desktop-canvas-surface {
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(139, 92, 246, 0.1), transparent 70%),
    #0b0912 !important;
}
.office-desktop-wrap {
  padding: 10px;
}
.office-desktop-frame {
  border-radius: 12px !important;
  box-shadow: 0 0 0 1px var(--t-line), 0 20px 50px -20px rgba(0, 0, 0, 0.9);
}
.office-header-new-button {
  background: var(--t-grad) !important;
  color: #fff !important;
  border: 0 !important;
  border-radius: 10px !important;
}
.office-desktop-empty-title {
  background: var(--t-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  font-weight: 700;
}

/* ---------- modals, dropdowns, toasts ---------- */
body:not(.light-mode) .modal-container {
  background: rgba(20, 15, 33, 0.92) !important;
  border: 1px solid var(--t-line-strong) !important;
  border-radius: 20px !important;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(20px);
}
.modal-backdrop,
.modal-overlay {
  backdrop-filter: blur(6px);
}
body:not(.light-mode) .dropdown-menu,
body:not(.light-mode) .chat-more-panel,
body:not(.light-mode) .sidebar-row-actions-menu {
  background: rgba(23, 18, 37, 0.95) !important;
  border: 1px solid var(--t-line-strong) !important;
  border-radius: 14px !important;
  box-shadow: var(--t-shadow);
  backdrop-filter: blur(16px);
}
.btn-ok {
  background: var(--t-grad) !important;
  border: 0 !important;
  border-radius: 10px !important;
}
.btn-cancel {
  border-radius: 10px !important;
}

/* ---------- details ---------- */
a:focus-visible,
button:focus-visible {
  outline-color: #8b5cf6;
}
::selection {
  background: #7c3aed66;
}
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(139, 92, 246, 0.35) transparent;
}
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(139, 92, 246, 0.3);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(139, 92, 246, 0.5); }