/* ================================================================
   RawBlock Design System v1.2
   Brutalist UI Component Library — 0px radius, 3-5px black borders,
   no shadows, full color inversions, viewport-aware positioning.
   Archivo Black + Work Sans + Space Mono
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Work+Sans:wght@300;400;500;600;700&family=Space+Mono&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  --rb-black: #000000; --rb-white: #FFFFFF; --rb-blue: #0000FF;
  --rb-success: #008000; --rb-warning: #FFA500; --rb-error: #FF0000; --rb-info: #0000FF;
  --rb-sunken: #F0F0F0; --rb-disabled-bg: #F5F5F5; --rb-disabled-border: #CCC; --rb-disabled-text: #999;
  --rb-border-thin: 1px; --rb-border: 3px; --rb-border-heavy: 5px;
  --rb-font-headline: 'Archivo Black', sans-serif;
  --rb-font-body: 'Work Sans', sans-serif;
  --rb-font-mono: 'Space Mono', monospace;
  --rb-sp-xs: 4px; --rb-sp-sm: 8px; --rb-sp-md: 16px; --rb-sp-lg: 24px; --rb-sp-xl: 40px; --rb-sp-2xl: 64px;
  --rb-radius: 0px;
  --rb-touch-min: 44px;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;border-radius:var(--rb-radius)}
.rb-body{font-family:var(--rb-font-body);font-size:16px;line-height:1.6;color:var(--rb-black);background:#FAFAFA;-webkit-font-smoothing:antialiased}

/* === 1. TYPOGRAPHY === */
.rb-h1{font-family:var(--rb-font-headline);font-size:64px;line-height:1;font-weight:400}
.rb-h2{font-family:var(--rb-font-headline);font-size:48px;line-height:1.05;font-weight:400}
.rb-h3{font-family:var(--rb-font-headline);font-size:32px;line-height:1.1;font-weight:400}
.rb-h4{font-family:var(--rb-font-body);font-size:22px;line-height:1.2;font-weight:600}
.rb-body-text{font-family:var(--rb-font-body);font-size:16px;line-height:1.6}
.rb-small{font-family:var(--rb-font-body);font-size:14px;line-height:1.5}
.rb-tiny{font-family:var(--rb-font-body);font-size:12px;line-height:1.4}
.rb-mono{font-family:var(--rb-font-mono);font-size:15px;line-height:1.5}
.rb-link{color:var(--rb-blue);text-decoration:underline;cursor:pointer}
.rb-link:hover{color:var(--rb-black)}

/* === 2. BUTTON === */
.rb-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--rb-font-headline);text-transform:uppercase;letter-spacing:2px;cursor:pointer;text-decoration:none;white-space:nowrap;border:var(--rb-border) solid var(--rb-black);outline:none;line-height:1.2;background:var(--rb-white);color:var(--rb-black);padding:10px 24px;font-size:14px}
.rb-btn-sm{padding:6px 16px;font-size:12px}
.rb-btn-lg{padding:16px 40px;font-size:18px;min-height:56px}
.rb-btn-block{width:100%;justify-content:center}
.rb-btn-loading{position:relative;color:transparent!important;pointer-events:none}
.rb-btn-loading::after{content:'';position:absolute;width:16px;height:16px;border:3px solid currentColor;border-top-color:transparent;animation:rb-spin .6s linear infinite}
.rb-btn:focus-visible{box-shadow:0 0 0 1px var(--rb-white),0 0 0 4px var(--rb-black)}
.rb-btn:disabled{background:var(--rb-disabled-bg);color:var(--rb-disabled-text);border-color:var(--rb-disabled-border);cursor:not-allowed;box-shadow:none}
.rb-btn-primary{background:var(--rb-black);color:var(--rb-white)}
.rb-btn-primary:hover{background:var(--rb-white);color:var(--rb-black)}
.rb-btn-primary:active{box-shadow:0 0 0 1px var(--rb-white),0 0 0 5px var(--rb-black)}
.rb-btn-secondary{background:var(--rb-white);color:var(--rb-black)}
.rb-btn-secondary:hover{background:var(--rb-black);color:var(--rb-white)}
.rb-btn-ghost{background:transparent;color:var(--rb-black);border:none;text-decoration:underline;padding:6px 12px}
.rb-btn-ghost:hover{color:var(--rb-blue)}
.rb-btn-danger{background:var(--rb-error);color:var(--rb-white)}
.rb-btn-danger:hover{background:var(--rb-black);color:var(--rb-error)}
.rb-btn-icon{min-width:var(--rb-touch-min);min-height:var(--rb-touch-min);padding:0;font-family:var(--rb-font-mono);font-size:18px;line-height:1}
.rb-btn-icon:hover{background:var(--rb-black);color:var(--rb-white)}
.rb-btn-icon-sm{min-width:32px;min-height:32px;font-size:14px}

/* === 3. INPUT === */
.rb-form-group{display:flex;flex-direction:column;gap:var(--rb-sp-xs)}
.rb-label{font-family:var(--rb-font-headline);font-size:14px;text-transform:uppercase;letter-spacing:1px;color:var(--rb-black)}
.rb-input{padding:10px 12px;font-family:var(--rb-font-mono);font-size:15px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-sunken);color:var(--rb-black);outline:none;width:100%}
.rb-input:hover{background:#E8E8E8}
.rb-input:focus{box-shadow:0 0 0 2px var(--rb-black);background:var(--rb-white)}
.rb-input.rb-error{border-color:var(--rb-error)}
.rb-input:disabled{border-color:var(--rb-disabled-border);background:var(--rb-disabled-bg);color:var(--rb-disabled-text);cursor:not-allowed}
.rb-helper{font-family:var(--rb-font-body);font-size:12px;line-height:1.4;color:#666}
.rb-helper.rb-error{color:var(--rb-error)}

/* === 4. TEXTAREA === */
.rb-textarea{padding:10px 12px;font-family:var(--rb-font-mono);font-size:15px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-sunken);color:var(--rb-black);outline:none;width:100%;resize:vertical;min-height:100px}
.rb-textarea:focus{box-shadow:0 0 0 2px var(--rb-black);background:var(--rb-white)}

/* === 5. SELECT === */
.rb-select{padding:10px 36px 10px 12px;font-family:var(--rb-font-mono);font-size:15px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-sunken);color:var(--rb-black);outline:none;width:100%;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M0 0l6 8 6-8z' fill='%23000'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}
.rb-select:focus{box-shadow:0 0 0 2px var(--rb-black)}

/* === 6. CHECKBOX === */
.rb-checkbox{display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-family:var(--rb-font-body);font-size:14px;min-height:var(--rb-touch-min)}
.rb-checkbox input{appearance:none;width:20px;height:20px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);cursor:pointer;position:relative;flex-shrink:0;margin:0}
.rb-checkbox input:checked{background:var(--rb-black)}
.rb-checkbox input:checked::after{content:'';position:absolute;left:4px;top:1px;width:7px;height:12px;border:solid var(--rb-white);border-width:0 3px 3px 0;transform:rotate(45deg)}
.rb-checkbox input:focus-visible{box-shadow:0 0 0 2px var(--rb-black)}
.rb-checkbox input:disabled{border-color:var(--rb-disabled-border);background:var(--rb-disabled-bg);cursor:not-allowed}

/* === 7. RADIO === */
.rb-radio{display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-family:var(--rb-font-body);font-size:14px;min-height:var(--rb-touch-min)}
.rb-radio input{appearance:none;width:20px;height:20px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);border-radius:50%;cursor:pointer;flex-shrink:0;position:relative;margin:0}
.rb-radio input:checked{border-color:var(--rb-black)}
.rb-radio input:checked::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:10px;height:10px;background:var(--rb-black);border-radius:50%}
.rb-radio input:focus-visible{box-shadow:0 0 0 2px var(--rb-black)}

/* === 8. TOGGLE === */
.rb-toggle{display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-family:var(--rb-font-body);font-size:14px;min-height:var(--rb-touch-min)}
.rb-toggle input{appearance:none;width:44px;height:24px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);cursor:pointer;position:relative;flex-shrink:0;margin:0}
.rb-toggle input::after{content:'';position:absolute;top:2px;left:2px;width:16px;height:16px;background:var(--rb-black);transition:transform .12s}
.rb-toggle input:checked{background:var(--rb-black)}
.rb-toggle input:checked::after{transform:translateX(20px);background:var(--rb-white)}

/* === 9. CARD === */
.rb-card{border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);padding:var(--rb-sp-lg)}
.rb-card-elevated{border-width:var(--rb-border-heavy)}
.rb-card-header{padding-bottom:var(--rb-sp-md);border-bottom:var(--rb-border-thin) solid var(--rb-black);margin-bottom:var(--rb-sp-md);font-family:var(--rb-font-headline);font-size:14px;text-transform:uppercase;letter-spacing:2px}
.rb-card-footer{padding-top:var(--rb-sp-md);border-top:var(--rb-border-thin) solid var(--rb-black);margin-top:var(--rb-sp-md)}

/* === 10. CHIP / TAG === */
.rb-chip{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;font-family:var(--rb-font-body);font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:1px;border:2px solid var(--rb-black);background:var(--rb-white);color:var(--rb-black);white-space:nowrap}
.rb-chip.rb-chip-active{background:var(--rb-black);color:var(--rb-white)}
.rb-chip-success{color:var(--rb-success);border-color:var(--rb-success)}
.rb-chip-warning{color:var(--rb-warning);border-color:var(--rb-warning)}
.rb-chip-error{color:var(--rb-error);border-color:var(--rb-error)}
.rb-chip-dismissible{padding-right:6px}
.rb-chip-dismiss{padding:0;background:none;border:none;cursor:pointer;font-family:var(--rb-font-mono);font-size:12px;margin-left:2px;color:inherit}
.rb-chip-dismiss:hover{opacity:.6}

/* === 11. TABS === */
.rb-tabs{display:flex;border-bottom:var(--rb-border-heavy) solid var(--rb-black);overflow-x:auto;gap:0}
.rb-tab{flex:1;min-width:0;padding:14px 20px;font-family:var(--rb-font-headline);font-size:13px;text-transform:uppercase;letter-spacing:2px;border:none;background:var(--rb-white);color:var(--rb-black);cursor:pointer;text-align:center;white-space:nowrap;position:relative;transition:background .12s,color .12s;border-right:var(--rb-border-thin) solid var(--rb-black)}
.rb-tab:last-child{border-right:none}
.rb-tab:hover{background:var(--rb-sunken)}
.rb-tab.rb-active{background:var(--rb-black);color:var(--rb-white)}
.rb-tab.rb-active::after{content:'';position:absolute;bottom:-5px;left:0;right:0;height:5px;background:var(--rb-black)}
/* Underline variant */
.rb-tabs-underline .rb-tab{border-right:none;background:transparent;border-bottom:3px solid transparent;margin-bottom:-3px}
.rb-tabs-underline .rb-tab.rb-active{background:transparent;color:var(--rb-black);border-bottom-color:var(--rb-black)}
.rb-tabs-underline .rb-tab.rb-active::after{display:none}
/* Pill variant */
.rb-tabs-pill{gap:4px;border-bottom:none;padding:4px;background:var(--rb-sunken)}
.rb-tabs-pill .rb-tab{border-right:none;border:3px solid transparent;background:transparent;padding:10px 18px}
.rb-tabs-pill .rb-tab.rb-active{background:var(--rb-black);color:var(--rb-white);border-color:var(--rb-black)}
.rb-tabs-pill .rb-tab.rb-active::after{display:none}
/* Panel */
.rb-tab-panel{display:none;padding:var(--rb-sp-lg)}
.rb-tab-panel.rb-active{display:block}

/* === 12. BREADCRUMB === */
.rb-breadcrumb{display:flex;align-items:center;gap:var(--rb-sp-sm);list-style:none;font-family:var(--rb-font-body);font-size:14px;padding:var(--rb-sp-sm) 0;flex-wrap:wrap}
.rb-breadcrumb li{display:flex;align-items:center;gap:var(--rb-sp-sm)}
.rb-breadcrumb li:not(:last-child)::after{content:'/';color:#999}
.rb-breadcrumb a{color:var(--rb-black);text-decoration:none}
.rb-breadcrumb a:hover{text-decoration:underline}
.rb-breadcrumb li:last-child{font-weight:700}

/* === 13. PAGINATION === */
.rb-pagination{display:flex;align-items:center;gap:var(--rb-sp-xs);flex-wrap:wrap}
.rb-page-btn{min-width:var(--rb-touch-min);min-height:var(--rb-touch-min);padding:0 12px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);font-family:var(--rb-font-mono);font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.rb-page-btn:hover{background:var(--rb-black);color:var(--rb-white)}
.rb-page-btn.rb-active{background:var(--rb-black);color:var(--rb-white)}
.rb-page-btn:disabled{border-color:var(--rb-disabled-border);color:var(--rb-disabled-text);cursor:not-allowed;background:var(--rb-disabled-bg)}
.rb-page-info{font-family:var(--rb-font-mono);font-size:13px;min-width:50px;text-align:center}

/* === 14. ACCORDION === */
.rb-accordion{border:var(--rb-border) solid var(--rb-black)}
.rb-accordion-item{border-bottom:var(--rb-border-thin) solid var(--rb-black)}
.rb-accordion-item:last-child{border-bottom:none}
.rb-accordion-trigger{width:100%;padding:14px 16px;font-family:var(--rb-font-headline);font-size:13px;text-transform:uppercase;letter-spacing:1px;border:none;background:var(--rb-white);color:var(--rb-black);cursor:pointer;text-align:left;display:flex;justify-content:space-between;align-items:center}
.rb-accordion-trigger:hover{background:var(--rb-sunken)}
.rb-accordion-trigger::after{content:'+';font-family:var(--rb-font-mono);font-size:18px}
.rb-accordion-trigger[aria-expanded="true"]::after{content:'−'}
.rb-accordion-content{display:none;padding:0 16px 16px;font-family:var(--rb-font-body);font-size:14px;line-height:1.6}
.rb-accordion-content.rb-open{display:block}

/* === 15. DIALOG / MODAL === */
.rb-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}
.rb-overlay[hidden]{display:none}
.rb-modal{background:var(--rb-white);border:var(--rb-border-heavy) solid var(--rb-black);padding:var(--rb-sp-lg);max-width:min(500px, calc(100vw - 40px));width:100%;max-height:90vh;overflow-y:auto;display:flex;flex-direction:column}
.rb-modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--rb-sp-md);padding-bottom:var(--rb-sp-md);border-bottom:var(--rb-border) solid var(--rb-black);gap:12px}
.rb-modal-title{font-family:var(--rb-font-headline);font-size:20px;text-transform:uppercase;letter-spacing:2px;flex:1;overflow:hidden;text-overflow:ellipsis}
.rb-modal-close{min-width:var(--rb-touch-min);min-height:var(--rb-touch-min);padding:0 12px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);font-family:var(--rb-font-mono);font-size:20px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.rb-modal-close:hover{background:var(--rb-black);color:var(--rb-white)}
.rb-modal-body{flex:1}
.rb-modal-footer{margin-top:var(--rb-sp-md);padding-top:var(--rb-sp-md);border-top:var(--rb-border-thin) solid var(--rb-black);display:flex;justify-content:flex-end;gap:var(--rb-sp-sm);flex-wrap:wrap}
/* Fullscreen variant */
.rb-modal-fullscreen .rb-modal{max-width:none;width:100vw;height:100dvh;max-height:100dvh;border:none}
.rb-modal-fullscreen .rb-overlay{padding:0}
/* Bottom sheet variant */
.rb-modal-bottom .rb-overlay{align-items:flex-end;padding:0}
.rb-modal-bottom .rb-modal{max-width:100%;width:100%;border-radius:0;border-bottom:none;animation:rb-slide-up .25s ease}
@keyframes rb-slide-up{from{transform:translateY(100%)}to{transform:translateY(0)}}
/* Side panel variant */
.rb-modal-right .rb-overlay{justify-content:flex-end;padding:0}
.rb-modal-right .rb-modal{max-width:420px;max-height:100dvh;height:100dvh;border-left:var(--rb-border-heavy) solid var(--rb-black);animation:rb-slide-left .25s ease}
@keyframes rb-slide-left{from{transform:translateX(100%)}to{transform:translateX(0)}}
/* Adaptive: centered on desktop, bottom sheet on mobile */
@media(max-width:768px){.rb-modal-adaptive .rb-overlay{align-items:flex-end;padding:0}.rb-modal-adaptive .rb-modal{max-width:100%;border-bottom:none}}

/* === 16. TOOLTIP === */
.rb-tooltip{position:relative;display:inline-flex}
.rb-tooltip::after{content:attr(data-tip);position:absolute;bottom:calc(100% + 6px);background:var(--rb-black);color:var(--rb-white);font-family:var(--rb-font-mono);font-size:13px;padding:8px 12px;max-width:260px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s;z-index:50;left:50%;transform:translateX(-50%)}
.rb-tooltip:hover::after,.rb-tooltip:focus-visible::after,.rb-tooltip.rb-tooltip-visible::after{opacity:1}
/* JS-applied edge positioning */
.rb-tooltip.rb-tooltip-left::after{left:0;transform:none}
.rb-tooltip.rb-tooltip-right::after{left:auto;right:0;transform:none}

/* === 17. TABLE === */
.rb-table{width:100%;border-collapse:collapse;border:var(--rb-border) solid var(--rb-black);font-family:var(--rb-font-body);font-size:14px;display:block;overflow-x:auto}
.rb-table thead,.rb-table tbody,.rb-table tr{display:table;width:100%;table-layout:fixed}
.rb-table th{font-family:var(--rb-font-headline);font-size:11px;text-transform:uppercase;letter-spacing:1px;text-align:left;padding:12px 14px;border-bottom:var(--rb-border) solid var(--rb-black);background:var(--rb-sunken)}
.rb-table td{padding:12px 14px;border-bottom:var(--rb-border-thin) solid var(--rb-black);overflow:hidden;text-overflow:ellipsis}
.rb-table tr:last-child td{border-bottom:none}
.rb-table tr:hover td{background:var(--rb-black);color:var(--rb-white)}
/* Striped */
.rb-table-striped tr:nth-child(even) td{background:var(--rb-sunken)}
.rb-table-striped tr:hover td{background:var(--rb-black);color:var(--rb-white)}
/* Compact */
.rb-table-compact th,.rb-table-compact td{padding:8px 12px;font-size:12px}

/* === 18. LIST === */
.rb-list{list-style:none;border:var(--rb-border) solid var(--rb-black)}
.rb-list li{padding:12px 16px;border-bottom:var(--rb-border-thin) solid var(--rb-black);font-family:var(--rb-font-body);font-size:16px;cursor:pointer}
.rb-list li:last-child{border-bottom:none}
.rb-list li:hover{text-decoration:underline}
.rb-list li:active{background:var(--rb-black);color:var(--rb-white)}

/* === 19. AVATAR === */
.rb-avatar-group{display:flex;align-items:center}
.rb-avatar-group .rb-avatar:not(:first-child){margin-left:-12px}
.rb-avatar{width:48px;height:48px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-sunken);display:flex;align-items:center;justify-content:center;font-family:var(--rb-font-headline);font-size:18px;overflow:hidden;flex-shrink:0;line-height:1}
.rb-avatar img{width:100%;height:100%;object-fit:cover}
.rb-avatar-sm{width:32px;height:32px;font-size:12px}
.rb-avatar-lg{width:64px;height:64px;font-size:24px}
.rb-avatar-xl{width:96px;height:96px;font-size:36px;border-width:var(--rb-border-heavy)}

/* === 20. BADGE === */
.rb-badge{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;background:var(--rb-black);color:var(--rb-white);font-family:var(--rb-font-mono);font-size:11px;font-weight:700;line-height:1}
.rb-badge-dot{min-width:10px;width:10px;height:10px;padding:0}
.rb-badge-outline{background:var(--rb-white);color:var(--rb-black);border:var(--rb-border) solid var(--rb-black)}
.rb-badge-success{background:var(--rb-success)}
.rb-badge-error{background:var(--rb-error)}

/* === 21. PROGRESS BAR === */
.rb-progress{width:100%;height:12px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);overflow:hidden}
.rb-progress-fill{height:100%;background:var(--rb-black);transition:width .3s}
.rb-progress-label{font-family:var(--rb-font-mono);font-size:12px;margin-top:var(--rb-sp-xs)}
/* Indeterminate */
.rb-progress-indeterminate .rb-progress-fill{width:30%;animation:rb-prog-ind 1.5s ease infinite}
@keyframes rb-prog-ind{0%{transform:translateX(-100%)}100%{transform:translateX(400%)}}

/* === 22. SKELETON LOADER === */
.rb-skeleton{height:16px;background:var(--rb-sunken);animation:rb-shimmer 1.5s infinite}
.rb-skeleton-text{width:100%;margin-bottom:var(--rb-sp-sm)}
.rb-skeleton-text:last-child{width:60%}
.rb-skeleton-avatar{width:48px;height:48px;flex-shrink:0}
.rb-skeleton-card{padding:var(--rb-sp-md);border:var(--rb-border) solid var(--rb-black);display:flex;gap:var(--rb-sp-md)}@keyframes rb-shimmer{0%,100%{opacity:1}50%{opacity:.4}}

/* === 23. DIVIDER === */
.rb-divider{border:none;border-top:var(--rb-border) solid var(--rb-black);margin:var(--rb-sp-lg) 0}
.rb-divider-thin{border-top-width:var(--rb-border-thin)}
.rb-divider-label{display:flex;align-items:center;gap:var(--rb-sp-md);font-family:var(--rb-font-headline);font-size:11px;text-transform:uppercase;letter-spacing:2px;color:#666}
.rb-divider-label::before,.rb-divider-label::after{content:'';flex:1;border-top:var(--rb-border) solid var(--rb-black)}

/* === 24. ALERT === */
.rb-alert{padding:14px 18px;border:var(--rb-border) solid var(--rb-black);font-family:var(--rb-font-body);font-size:14px;display:flex;align-items:flex-start;gap:12px}
.rb-alert-success{border-color:var(--rb-success)}.rb-alert-warning{border-color:var(--rb-warning)}.rb-alert-error{border-color:var(--rb-error)}.rb-alert-info{border-color:var(--rb-blue)}
.rb-alert-icon{font-size:18px;flex-shrink:0;line-height:1.4;font-family:var(--rb-font-mono);font-weight:700}
.rb-alert-success .rb-alert-icon{color:var(--rb-success)}.rb-alert-error .rb-alert-icon{color:var(--rb-error)}.rb-alert-warning .rb-alert-icon{color:var(--rb-warning)}.rb-alert-info .rb-alert-icon{color:var(--rb-blue)}
/* Dismissible */
.rb-alert-dismiss{display:flex;align-items:flex-start}
.rb-alert-dismiss .rb-alert-body{flex:1}
.rb-alert-dismiss .rb-alert-close{min-width:32px;min-height:32px;padding:0 8px;border:2px solid var(--rb-black);background:transparent;font-family:var(--rb-font-mono);font-size:16px;line-height:1;cursor:pointer;flex-shrink:0}
.rb-alert-dismiss .rb-alert-close:hover{background:var(--rb-black);color:var(--rb-white)}

/* === 25. TOAST === */
.rb-toast-container{position:fixed;top:16px;right:16px;z-index:2000;display:flex;flex-direction:column;gap:8px;max-width:min(380px, calc(100vw - 32px));pointer-events:none}
.rb-toast{pointer-events:auto;padding:12px 16px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);font-family:var(--rb-font-body);font-size:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;animation:rb-slide-in .2s ease}
.rb-toast-leaving{animation:rb-slide-out .2s ease forwards}@keyframes rb-slide-in{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}@keyframes rb-slide-out{from{transform:translateX(0);opacity:1}to{transform:translateX(100%);opacity:0}}
.rb-toast-body{flex:1;min-width:0;word-break:break-word}
.rb-toast-close{min-width:32px;min-height:32px;padding:0 8px;border:2px solid var(--rb-black);background:var(--rb-white);font-family:var(--rb-font-mono);font-size:16px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.rb-toast-close:hover{background:var(--rb-black);color:var(--rb-white)}

/* === 26. DROPDOWN === */
.rb-dropdown{position:relative;display:inline-block}
.rb-dropdown-menu{position:absolute;top:calc(100% + 4px);left:0;min-width:180px;background:var(--rb-white);border:var(--rb-border) solid var(--rb-black);z-index:100;display:none;max-height:300px;overflow-y:auto}
.rb-dropdown-menu.rb-open{display:block}
.rb-dropdown-menu.rb-dropdown-right{left:auto;right:0}
.rb-dropdown-item{display:block;width:100%;padding:10px 16px;font-family:var(--rb-font-body);font-size:14px;border:none;background:var(--rb-white);cursor:pointer;text-align:left}
.rb-dropdown-item:hover{background:var(--rb-black);color:var(--rb-white)}
.rb-dropdown-item:not(:last-child){border-bottom:var(--rb-border-thin) solid var(--rb-black)}

/* === 27. SLIDER === */
.rb-slider{width:100%;appearance:none;height:8px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);outline:none;cursor:pointer}
.rb-slider::-webkit-slider-thumb{appearance:none;width:20px;height:20px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);cursor:pointer}
.rb-slider::-webkit-slider-thumb:active{background:var(--rb-black)}
.rb-slider::-moz-range-thumb{width:20px;height:20px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);cursor:pointer;border-radius:0}

/* === 28. STEPPER === */
.rb-steps{display:flex;counter-reset:step;overflow-x:auto}
.rb-step{flex:1;position:relative;text-align:center;padding:28px 4px 0;font-family:var(--rb-font-body);font-size:12px;min-width:80px;white-space:nowrap}
.rb-step::before{counter-increment:step;content:counter(step);position:absolute;top:0;left:50%;transform:translateX(-50%);width:24px;height:24px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);font-family:var(--rb-font-mono);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;z-index:1}
.rb-step.rb-step-active::before{background:var(--rb-black);color:var(--rb-white)}
.rb-step.rb-step-done::before{content:'✓';background:var(--rb-success);color:var(--rb-white);border-color:var(--rb-success)}
.rb-step::after{content:'';position:absolute;top:11px;left:50%;width:100%;height:2px;background:var(--rb-black);z-index:0}
.rb-step:last-child::after{display:none}

/* === 29. FILE INPUT === */
.rb-file{display:inline-flex;align-items:center;gap:var(--rb-sp-sm);flex-wrap:wrap}
.rb-file input{display:none}
.rb-file-label{display:inline-flex;align-items:center;padding:10px 20px;font-family:var(--rb-font-headline);font-size:12px;text-transform:uppercase;letter-spacing:2px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);cursor:pointer;min-height:var(--rb-touch-min)}
.rb-file-label:hover{background:var(--rb-black);color:var(--rb-white)}
.rb-file-name{font-family:var(--rb-font-mono);font-size:13px;color:#666;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* === 30. CODE BLOCK === */
.rb-code{display:block;padding:14px 16px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-sunken);font-family:var(--rb-font-mono);font-size:14px;line-height:1.5;overflow-x:auto;white-space:pre;tab-size:2}
.rb-code-inline{font-family:var(--rb-font-mono);font-size:.9em;background:var(--rb-sunken);padding:1px 6px;border:1px solid var(--rb-black)}
/* Syntax highlight tokens */
.rb-code-comment{color:#8B949E;font-style:italic}
.rb-code-keyword{color:#0550AE;font-weight:700}
.rb-code-string{color:#0A6B3C}
.rb-code-number{color:#D2691E;font-weight:600}
.rb-code-function{color:#8250DF;font-weight:600}
.rb-code-type{color:#267F99}
.rb-code-operator{color:#0550AE;font-weight:700}
.rb-code-punctuation{color:#24292F;font-weight:600}
.rb-code-property{color:#6E40C9}
.rb-code-builtin{color:#C1223E;font-weight:600}
.rb-code-regex{color:#0A6B3C;background:#F0FFF4}

/* === 31. DRAWER === */
.rb-drawer{position:fixed;top:0;right:0;bottom:0;width:clamp(280px, 85vw, 400px);background:var(--rb-white);border-left:var(--rb-border-heavy) solid var(--rb-black);z-index:1500;transform:translateX(100%);transition:transform .2s;overflow-y:auto;display:flex;flex-direction:column}
.rb-drawer.rb-open{transform:translateX(0)}
.rb-drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1400}
.rb-drawer-header{display:flex;justify-content:space-between;align-items:center;padding:var(--rb-sp-lg);border-bottom:var(--rb-border) solid var(--rb-black);gap:12px}
.rb-drawer-title{font-family:var(--rb-font-headline);font-size:16px;text-transform:uppercase;letter-spacing:2px;flex:1}
.rb-drawer-close{min-width:var(--rb-touch-min);min-height:var(--rb-touch-min);padding:0 12px;border:var(--rb-border) solid var(--rb-black);background:var(--rb-white);font-family:var(--rb-font-mono);font-size:20px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.rb-drawer-close:hover{background:var(--rb-black);color:var(--rb-white)}
.rb-drawer-body{padding:var(--rb-sp-lg);flex:1;overflow-y:auto}

/* === 32. SPINNER (8 variants) === */
.rb-spinner{display:inline-flex;align-items:center;justify-content:center}
/* 1. Border */
.rb-spinner-border{width:32px;height:32px;border:var(--rb-border) solid var(--rb-black);border-top-color:transparent;animation:rb-spin .6s linear infinite}
/* 2. Dots */
.rb-spinner-dots{display:flex;gap:6px}
.rb-spinner-dots span{width:10px;height:10px;background:var(--rb-black);animation:rb-dot 1.2s infinite}
.rb-spinner-dots span:nth-child(2){animation-delay:.2s}
.rb-spinner-dots span:nth-child(3){animation-delay:.4s}
@keyframes rb-dot{0%,80%,100%{opacity:.2}40%{opacity:1}}
/* 3. Bars */
.rb-spinner-bars{display:flex;gap:3px;align-items:flex-end;height:24px}
.rb-spinner-bars span{width:4px;background:var(--rb-black);animation:rb-bar 1s infinite}
.rb-spinner-bars span:nth-child(1){height:12px;animation-delay:.1s}
.rb-spinner-bars span:nth-child(2){height:18px;animation-delay:.2s}
.rb-spinner-bars span:nth-child(3){height:24px;animation-delay:.3s}
.rb-spinner-bars span:nth-child(4){height:16px;animation-delay:.4s}
.rb-spinner-bars span:nth-child(5){height:10px;animation-delay:.5s}
@keyframes rb-bar{0%,40%,100%{transform:scaleY(.5)}20%{transform:scaleY(1)}}
/* 4. Square */
.rb-spinner-square{width:24px;height:24px;background:var(--rb-black);animation:rb-square 1.2s infinite}
@keyframes rb-square{0%{transform:rotate(0)}25%{transform:rotate(90deg)}50%{transform:rotate(180deg)}75%{transform:rotate(270deg)}100%{transform:rotate(360deg)}}
/* 5. Pulse */
.rb-spinner-pulse{width:20px;height:20px;border:var(--rb-border) solid var(--rb-black);animation:rb-pulse 1.2s infinite}
@keyframes rb-pulse{0%{transform:scale(.8);opacity:.4}50%{transform:scale(1.2);opacity:1}100%{transform:scale(.8);opacity:.4}}
/* 6. Ring (SVG) */
.rb-spinner-ring svg{animation:rb-spin .8s linear infinite}
.rb-spinner-ring circle{fill:none;stroke:var(--rb-black);stroke-width:3;stroke-dasharray:80;stroke-dashoffset:60;stroke-linecap:square}
/* 7. Typing */
.rb-spinner-typing{display:flex;gap:4px}
.rb-spinner-typing span{width:6px;height:6px;background:var(--rb-black);animation:rb-type 1.4s infinite}
.rb-spinner-typing span:nth-child(2){animation-delay:.2s}
.rb-spinner-typing span:nth-child(3){animation-delay:.4s}
@keyframes rb-type{0%,60%,100%{opacity:.2;transform:translateY(0)}30%{opacity:1;transform:translateY(-6px)}}
/* 8. Block */
.rb-spinner-block{display:grid;grid-template-columns:repeat(3,6px);gap:3px}
.rb-spinner-block span{width:6px;height:6px;background:var(--rb-black);animation:rb-block 1.5s infinite}
.rb-spinner-block span:nth-child(1){animation-delay:0s}.rb-spinner-block span:nth-child(2){animation-delay:.15s}.rb-spinner-block span:nth-child(3){animation-delay:.3s}
.rb-spinner-block span:nth-child(4){animation-delay:.45s}.rb-spinner-block span:nth-child(5){animation-delay:.6s}.rb-spinner-block span:nth-child(6){animation-delay:.75s}
.rb-spinner-block span:nth-child(7){animation-delay:.9s}.rb-spinner-block span:nth-child(8){animation-delay:1.05s}.rb-spinner-block span:nth-child(9){animation-delay:1.2s}
@keyframes rb-block{0%,100%{opacity:.2}50%{opacity:1}}
/* Sizes */
.rb-spinner-sm .rb-spinner-border{width:20px;height:20px}
.rb-spinner-lg .rb-spinner-border{width:48px;height:48px;border-width:5px}
@keyframes rb-spin{to{transform:rotate(360deg)}}

/* === UTILITY === */
.rb-container{width:100%;max-width:720px;margin:0 auto;padding:0 var(--rb-sp-lg)}
.rb-row{display:flex;flex-wrap:wrap;gap:var(--rb-sp-md)}
.rb-col{flex:1;min-width:min(200px,100%)}
.rb-mt{margin-top:var(--rb-sp-md)}.rb-mb{margin-bottom:var(--rb-sp-md)}.rb-gap{gap:var(--rb-sp-md)}
.rb-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:none}

/* === RESPONSIVE === */
@media(max-width:768px){
  .rb-h1{font-size:48px}.rb-h2{font-size:36px}.rb-h3{font-size:26px}
  .rb-container{padding:0 var(--rb-sp-md)}
  .rb-steps{font-size:10px}.rb-step{min-width:60px}
  .rb-tab{font-size:10px;letter-spacing:1px;padding:10px 8px}
}
@media(max-width:480px){
  .rb-modal-header{flex-wrap:wrap}.rb-modal-footer{flex-direction:column}.rb-modal-footer .rb-btn{width:100%}
}