:root{--color-primary: #6b7280;--color-primary-dark: #4b5563;--color-primary-light: #9ca3af;--color-primary-bg: rgba(107, 114, 128, .1);--color-secondary: #d1d5db;--color-secondary-dark: #9ca3af;--color-success: #10b981;--color-danger: #ef4444;--color-danger-dark: #dc2626;--color-warning: #f59e0b;--color-bg: #0f172a;--color-bg-secondary: #1e293b;--color-bg-tertiary: #334155;--color-surface: #1e293b;--color-surface-elevated: #334155;--color-surface-glass: rgba(30, 41, 59, .8);--color-text-primary: #f1f5f9;--color-text-secondary: #cbd5e1;--color-text-tertiary: #94a3b8;--color-text-disabled: #64748b;--color-border: rgba(148, 163, 184, .1);--color-border-hover: rgba(148, 163, 184, .2);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -1px rgba(0, 0, 0, .2);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -2px rgba(0, 0, 0, .2);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .3), 0 10px 10px -5px rgba(0, 0, 0, .2);--shadow-glow: 0 0 20px rgba(107, 114, 128, .4);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--z-base: 1;--z-sticky: 10;--z-dropdown: 100;--z-modal: 1000;--z-notification: 1100}@media (prefers-color-scheme: light){:root:not([data-theme]){--color-bg: #ffffff;--color-bg-secondary: #f8fafc;--color-bg-tertiary: #f1f5f9;--color-surface: #ffffff;--color-surface-elevated: #f8fafc;--color-surface-glass: rgba(255, 255, 255, .9);--color-text-primary: #0f172a;--color-text-secondary: #334155;--color-text-tertiary: #64748b;--color-text-disabled: #94a3b8;--color-border: rgba(15, 23, 42, .1);--color-border-hover: rgba(15, 23, 42, .2);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-glow: 0 0 20px rgba(107, 114, 128, .2)}}:root[data-theme=light]{--color-bg: #ffffff;--color-bg-secondary: #f8fafc;--color-bg-tertiary: #f1f5f9;--color-surface: #ffffff;--color-surface-elevated: #f8fafc;--color-surface-glass: rgba(255, 255, 255, .9);--color-text-primary: #0f172a;--color-text-secondary: #334155;--color-text-tertiary: #64748b;--color-text-disabled: #94a3b8;--color-border: rgba(15, 23, 42, .1);--color-border-hover: rgba(15, 23, 42, .2);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-glow: 0 0 20px rgba(107, 114, 128, .2)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{margin:0;min-height:100vh;background:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.6;overflow-x:hidden}.app-shell{min-height:100vh;display:flex;flex-direction:column;position:relative}.app-header{position:sticky;top:0;z-index:var(--z-sticky);background:var(--color-surface-glass);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--color-border);padding:var(--spacing-md) var(--spacing-lg)}.app-header__content{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-lg)}.app-header__brand{display:flex;align-items:center;gap:var(--spacing-md)}.app-header__logo{width:40px;height:40px;border-radius:var(--radius-md);background:var(--color-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem;box-shadow:var(--shadow-md)}.app-header__title h1{font-size:var(--font-size-xl);font-weight:700;line-height:1.2;margin:0;color:var(--color-text-primary)}.app-header__subtitle{font-size:var(--font-size-xs);color:var(--color-text-tertiary);font-weight:500;display:block;margin-top:2px}.app-header__actions{display:flex;gap:var(--spacing-sm);align-items:center}.app-header__actions .btn{padding:var(--spacing-sm) var(--spacing-lg);font-size:var(--font-size-sm)}.app-main{flex:1;padding:var(--spacing-xl) var(--spacing-lg);max-width:800px;width:100%;margin:0 auto;padding-bottom:calc(var(--spacing-2xl) + 80px)}.auth-screen{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 80px);padding:var(--spacing-xl)}.auth-screen[hidden]{display:none!important}.auth-screen__container{width:100%;max-width:520px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-2xl);box-shadow:var(--shadow-xl)}.auth-screen__header{text-align:center;margin-bottom:var(--spacing-2xl)}.auth-screen__icon{width:64px;height:64px;margin:0 auto var(--spacing-lg);border-radius:var(--radius-full);background:var(--color-primary);display:flex;align-items:center;justify-content:center;font-size:1.75rem;color:#fff;box-shadow:var(--shadow-glow);position:relative}.auth-screen__icon i{display:block;font-size:1.75rem;line-height:1;z-index:1}.auth-screen__title{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.auth-screen__description{color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:1.6}.auth-tabs{display:flex;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:4px;margin-bottom:var(--spacing-xl);gap:4px;position:relative}.auth-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);border:none;background:var(--color-bg-secondary);border-radius:var(--radius-sm);color:var(--color-text-tertiary);font-size:var(--font-size-sm);font-weight:600;cursor:pointer;transition:all var(--transition-base);font-family:inherit;opacity:.5;position:relative;border:1px solid transparent}.auth-tab i{font-size:1.125rem}.auth-tab.active{background:var(--color-primary)!important;color:#fff!important;box-shadow:var(--shadow-lg),0 0 25px #6b728080,inset 0 1px #fff3;opacity:1!important;transform:translateY(-2px) scale(1.02);border:1px solid rgba(255,255,255,.3)!important;z-index:1}.auth-tab.active:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;background:#ffffff1a;pointer-events:none}.auth-tab:not(.active){background:var(--color-bg-secondary);color:var(--color-text-tertiary)}.auth-tab:not(.active):hover{color:var(--color-text-secondary);opacity:.7;background:var(--color-surface-elevated)}.auth-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-field{display:flex;flex-direction:column;gap:var(--spacing-sm)}.form-label{display:flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary)}.form-label i{font-size:1rem;color:var(--color-primary)}.form-input{width:100%;padding:var(--spacing-md) var(--spacing-lg);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:var(--font-size-base);font-family:inherit;transition:all var(--transition-base)}.form-input::placeholder{color:var(--color-text-tertiary)}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6b728033;background:var(--color-surface)}.form-hint{display:flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-xs);color:var(--color-text-tertiary);margin-top:calc(var(--spacing-sm) * -1)}.form-hint i{font-size:.875rem;color:var(--color-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);border:none;border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:600;font-family:inherit;cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#ffffff1a;opacity:0;transition:opacity var(--transition-base)}.btn:hover:before{opacity:1}.btn:active{transform:scale(.98)}.btn--primary{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-md),var(--shadow-glow)}.btn--primary:hover{box-shadow:var(--shadow-lg),0 0 30px #6b728080;transform:translateY(-1px)}.btn--secondary{background:var(--color-surface);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn--secondary:hover{background:var(--color-surface-elevated);border-color:var(--color-border-hover)}.btn--block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.planner-area{display:flex;flex-direction:column;gap:var(--spacing-xl)}.planner-area[hidden]{display:none!important}.planner-tabs{display:flex;gap:var(--spacing-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:6px;box-shadow:var(--shadow-md)}.planner-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);border:none;background:transparent;border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:600;cursor:pointer;transition:all var(--transition-base);font-family:inherit}.planner-tab i{font-size:1.125rem}.planner-tab.active{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-md)}.planner-tab:not(.active):hover{color:var(--color-text-primary);background:var(--color-bg-secondary)}.content-section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-lg)}.content-section__header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--spacing-lg);margin-bottom:var(--spacing-xl);flex-wrap:wrap}.content-section__title{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.content-section__description{color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:1.6}.slot-counter{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--color-primary-bg);border:1px solid rgba(107,114,128,.3);border-radius:var(--radius-md);color:var(--color-primary-light);font-size:var(--font-size-sm);font-weight:600;white-space:nowrap}.slot-counter i{font-size:1rem}.upload-progress{margin-bottom:var(--spacing-xl);display:none}.upload-progress[aria-hidden=false]{display:block}.upload-progress__track{width:100%;height:8px;background:var(--color-bg-secondary);border-radius:var(--radius-full);overflow:hidden;margin-bottom:var(--spacing-sm)}.upload-progress__bar{height:100%;width:0%;background:var(--color-primary);border-radius:inherit;transition:width var(--transition-base);box-shadow:0 0 10px #6b728080}.upload-progress.indeterminate .upload-progress__bar{width:30%;animation:uploadPulse 1.4s infinite ease-in-out}@keyframes uploadPulse{0%{transform:translate(-30%)}50%{transform:translate(350%)}to{transform:translate(-30%)}}.upload-progress__text{display:block;text-align:center;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary)}.planner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md);min-height:200px;position:relative}.planner-grid[data-empty=true]{border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-2xl);display:flex;align-items:center;justify-content:center;min-height:400px}.planner-grid[data-empty=true] .empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%}.planner-grid:not([data-empty=true]) .empty-state{display:none}.empty-state{text-align:center;padding:var(--spacing-2xl);display:none}.empty-state__icon{width:80px;height:80px;margin:0 auto var(--spacing-lg);border-radius:var(--radius-full);background:var(--color-primary-bg);display:flex;align-items:center;justify-content:center;font-size:2rem;color:var(--color-primary)}.empty-state__title{font-size:var(--font-size-xl);font-weight:700;margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.empty-state__description{color:var(--color-text-secondary);font-size:var(--font-size-sm);max-width:400px;margin:0 auto}.grid-item{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4 / 5;background:var(--color-bg-secondary);cursor:grab;transition:all var(--transition-base);border:2px solid transparent;box-shadow:var(--shadow-md);user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-webkit-touch-callout:none;touch-action:none}.grid-item img{width:100%;height:100%;object-fit:cover;display:block;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-webkit-touch-callout:none;-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;user-drag:none;pointer-events:none}.grid-item:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#0000004d;opacity:0;transition:opacity var(--transition-base)}.grid-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--color-primary)}.grid-item:hover:after{opacity:1}.grid-item.dragging{opacity:.9;cursor:grabbing;transform:scale(1.05) rotate(2deg);box-shadow:var(--shadow-xl),var(--shadow-glow),0 0 40px #6b728080;border-color:var(--color-primary);transition:none;user-select:none;-webkit-user-select:none}.grid-item.dragging .grid-item__delete{display:none}.grid-item--placeholder{background:var(--color-primary-bg);border:2px dashed var(--color-primary);opacity:.5}.grid-item--placeholder:after{content:"";display:block;width:100%;height:100%}.grid-item__delete{position:absolute;top:var(--spacing-sm);right:var(--spacing-sm);width:32px;height:32px;padding:0;border-radius:var(--radius-full);background:var(--color-danger);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:all var(--transition-base);z-index:10;box-shadow:var(--shadow-md)}.grid-item:hover .grid-item__delete,.grid-item.show-delete .grid-item__delete{opacity:1}.grid-item.dragging .grid-item__delete{opacity:0!important}.grid-item__delete:hover{background:var(--color-danger-dark);transform:scale(1.1)}.grid-item__delete:active{transform:scale(.95)}.planner-grid.drag-active{border:2px dashed var(--color-primary);border-radius:var(--radius-lg)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:var(--z-sticky);background:var(--color-surface-glass);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-top:1px solid var(--color-border);padding:var(--spacing-sm) var(--spacing-md);display:flex;gap:var(--spacing-xs);box-shadow:0 -4px 6px -1px #0000004d}.bottom-nav[hidden]{display:none}.bottom-nav__item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:var(--spacing-sm);border:none;background:transparent;border-radius:var(--radius-md);color:var(--color-text-tertiary);font-size:var(--font-size-xs);font-weight:600;cursor:pointer;transition:all var(--transition-base);font-family:inherit;min-height:64px;justify-content:center}.bottom-nav__item i{font-size:1.25rem}.bottom-nav__item span{display:none}.bottom-nav__item:hover,.bottom-nav__item:focus{color:var(--color-text-primary);background:var(--color-bg-secondary)}.bottom-nav__item--primary{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-md)}.bottom-nav__item--primary:hover,.bottom-nav__item--primary:focus,.bottom-nav__item--primary:active{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-lg);transform:translateY(-2px)}.fab-container{position:fixed;bottom:calc(80px + var(--spacing-md));right:var(--spacing-lg);z-index:var(--z-sticky)}.fab{width:56px;height:56px;border-radius:var(--radius-full);background:var(--color-primary);border:none;color:#fff;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-xl),var(--shadow-glow);transition:all var(--transition-base);position:relative;overflow:hidden}.fab:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#ffffff26;opacity:0;transition:opacity var(--transition-base)}.fab:hover:before{opacity:1}.fab:hover{transform:scale(1.1) translateY(-2px);box-shadow:var(--shadow-xl),0 0 30px #6b728099}.fab:active{transform:scale(.95)}.bottom-nav:not([hidden])~.fab-container{display:none}.menu-panel{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-modal);display:none;align-items:flex-end}.menu-panel[aria-hidden=false]{display:flex}.menu-panel__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.menu-panel__content{position:relative;width:100%;max-width:400px;max-height:80vh;background:var(--color-surface);border-top-left-radius:var(--radius-xl);border-top-right-radius:var(--radius-xl);border:1px solid var(--color-border);border-bottom:none;box-shadow:var(--shadow-xl);display:flex;flex-direction:column;animation:slideUp .3s cubic-bezier(.4,0,.2,1)}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.menu-panel__header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-xl);border-bottom:1px solid var(--color-border)}.user-info{display:flex;align-items:center;gap:var(--spacing-md)}.user-info__avatar{width:48px;height:48px;border-radius:var(--radius-full);background:var(--color-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem;box-shadow:var(--shadow-md)}.user-info__name{font-weight:600;color:var(--color-text-primary);font-size:var(--font-size-base)}.user-info__id{font-size:var(--font-size-xs);color:var(--color-text-tertiary);margin-top:2px}.menu-panel__close{width:36px;height:36px;border-radius:var(--radius-md);background:var(--color-bg-secondary);border:none;color:var(--color-text-secondary);font-size:1.125rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-base)}.menu-panel__close:hover{background:var(--color-surface-elevated);color:var(--color-text-primary)}.menu-panel__actions{padding:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-xs);overflow-y:auto}.menu-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);border:none;background:var(--color-bg-secondary);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:var(--font-size-base);font-weight:500;cursor:pointer;transition:all var(--transition-base);font-family:inherit;text-align:left}.menu-item i:first-child{font-size:1.25rem;color:var(--color-primary)}.menu-item span{flex:1}.menu-item i:last-child{font-size:1rem;color:var(--color-text-tertiary)}.menu-item:hover{background:var(--color-surface-elevated);transform:translate(4px)}.menu-item--danger i:first-child{color:var(--color-danger)}.menu-item--danger:hover{background:#ef44441a}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-modal);display:none;align-items:center;justify-content:center;padding:var(--spacing-lg)}.modal[aria-hidden=false]{display:flex}.modal__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#0009;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);animation:fadeIn var(--transition-base)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal__content{position:relative;width:100%;max-width:420px;max-height:90vh;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);display:flex;flex-direction:column;animation:modalSlideIn var(--transition-slow);overflow:hidden}.modal__content--medium{max-width:500px}.modal__content--large{max-width:800px}@keyframes modalSlideIn{0%{opacity:0;transform:scale(.95) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal__header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-xl);border-bottom:1px solid var(--color-border)}.modal__title{font-size:var(--font-size-xl);font-weight:700;color:var(--color-text-primary);margin:0}.modal__close{width:36px;height:36px;border-radius:var(--radius-md);background:var(--color-bg-secondary);border:none;color:var(--color-text-secondary);font-size:1.125rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-base)}.modal__close:hover{background:var(--color-surface-elevated);color:var(--color-text-primary)}.modal__body{padding:var(--spacing-xl);overflow-y:auto;flex:1}.modal__footer{padding:var(--spacing-xl);border-top:1px solid 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i{color:var(--color-primary);font-size:1.125rem}.post-select-info strong{color:var(--color-primary-light);font-weight:700}.post-select-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:var(--spacing-md);max-height:50vh;overflow-y:auto;padding:4px}.post-select-item{position:relative;border-radius:var(--radius-md);overflow:hidden;aspect-ratio:4 / 5;background:var(--color-bg-secondary);cursor:pointer;transition:all var(--transition-base);border:2px solid transparent;box-shadow:var(--shadow-md)}.post-select-item img{width:100%;height:100%;object-fit:cover;display:block;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;user-drag:none;-webkit-touch-callout:none}.post-select-item:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#6b72804d;opacity:0;transition:opacity 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0}.install-prompt__description{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin:0;line-height:1.4}.install-prompt__actions{display:flex;gap:var(--spacing-sm);flex-shrink:0}.install-prompt__btn{padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:600;font-family:inherit;cursor:pointer;transition:all var(--transition-base);white-space:nowrap}.install-prompt__btn--primary{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-md)}.install-prompt__btn--primary:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}.install-prompt__btn--primary:active{transform:translateY(0)}.install-prompt__btn--secondary{background:var(--color-surface-elevated);color:var(--color-text-secondary);border:1px solid var(--color-border)}.install-prompt__btn--secondary:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}@media (max-width: 768px){.install-prompt{bottom:calc(80px + var(--spacing-md));left:var(--spacing-md);right:var(--spacing-md)}.install-prompt__content{flex-direction:column;text-align:center;padding:var(--spacing-lg)}.install-prompt__actions{width:100%;flex-direction:column}.install-prompt__btn{width:100%}}.hidden,[hidden],.auth-form[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}