/* ==========================================================================
   Alchementary Link — Design Tokens
   Central palette, spacing, typography, and layout constants.
   All values consumed via var(--token-name) throughout the application.
   ========================================================================== */

:root {
  /* -----------------------------------------------------------------------
       Colour palette — dark charcoal theme
       ----------------------------------------------------------------------- */
  --bg-base: #1c1c1c; /* deepest background                        */
  --bg-surface: #232323; /* primary surface (sidebar, bars)            */
  --bg-elevated: #2a2a2a; /* elevated panels, cards                     */
  --bg-overlay: #303030; /* overlays, dropdowns                       */
  --bg-hover: #363636; /* hover state backgrounds                   */
  --bg-active: #3c3c3c; /* active / pressed state                    */
  --bg-input: #1e1e1e; /* input field backgrounds                   */

  /* -----------------------------------------------------------------------
       Border colours
       ----------------------------------------------------------------------- */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-default: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.18);
  --border-focus: var(--accent);

  /* -----------------------------------------------------------------------
       Text colours
       ----------------------------------------------------------------------- */
  --text-primary: #e4e4e4;
  --text-secondary: #a0a0a0;
  --text-tertiary: #707070;
  --text-disabled: #4a4a4a;
  --text-inverse: #1c1c1c;
  --sidebar-group-title: #b89d5f;

  /* -----------------------------------------------------------------------
       Accent colours — teal / cyan
       ----------------------------------------------------------------------- */
  --accent: #4ecdc4;
  --accent-hover: #45b7af;
  --accent-muted: rgba(78, 205, 196, 0.12);
  --accent-strong: rgba(78, 205, 196, 0.22);

  /* -----------------------------------------------------------------------
       Status colours
       ----------------------------------------------------------------------- */
  --success: #66bb6a;
  --warning: #ffa726;
  --error: #ef5350;
  --info: #42a5f5;

  /* -----------------------------------------------------------------------
       Protocol badge colours
       ----------------------------------------------------------------------- */
  --protocol-ssh: #4ecdc4;
  --protocol-telnet: #ffa726;
  --protocol-raw: #ab47bc;
  --protocol-github: #7c8aff;
  --protocol-vnc: #e85d4a;
  --protocol-irc: #d8b24c;
  --protocol-local: #8bc34a;

  /* -----------------------------------------------------------------------
       Spacing scale (4 px base unit)
       ----------------------------------------------------------------------- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* -----------------------------------------------------------------------
       Typography
       ----------------------------------------------------------------------- */
  --font-sans:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
    sans-serif;
  --font-mono:
    "JetBrains Mono", "Fira Code", "SF Mono", Monaco, "Cascadia Code", monospace;

  --text-xs: 11px;
  --text-sm: 12px;
  --text-base: 13px;
  --text-md: 14px;
  --text-lg: 16px;
  --text-xl: 18px;
  --text-2xl: 22px;

  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;

  /* -----------------------------------------------------------------------
       Border radius
       ----------------------------------------------------------------------- */
  --radius-sm: 3px;
  --radius-md: 5px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* -----------------------------------------------------------------------
       Shadows
       ----------------------------------------------------------------------- */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.6);

  /* -----------------------------------------------------------------------
       Transitions
       ----------------------------------------------------------------------- */
  --transition-fast: 100ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;

  /* -----------------------------------------------------------------------
       Z-index layers
       ----------------------------------------------------------------------- */
  --z-base: 0;
  --z-sticky: 100;
  --z-dropdown: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-notification: 500;
  --z-tooltip: 600;

  /* -----------------------------------------------------------------------
       Layout
       ----------------------------------------------------------------------- */
  --sidebar-width: 260px;
  --sidebar-width-collapsed: 48px;
  --tab-bar-height: 44px;
  --toolbar-height: 40px;
  --status-bar-height: 24px;
}

/* -----------------------------------------------------------------------
   Global input overrides — disable macOS/WebKit auto-capitalisation,
   autocorrect, and spellcheck on all text fields.
   ----------------------------------------------------------------------- */
input,
textarea,
select {
  autocapitalize: none;
  autocorrect: off;
  spellcheck: false;
  text-transform: none;
}