:root{--color-primary: #06b6d4;--color-secondary: #8b5cf6;--color-accent: #7dd3fc;--color-accent-hover: #38bdf8;--color-accent-light: rgba(6, 182, 212, .1);--color-gold: #fbbf24;--color-success: #34d399;--color-danger: #fb7185;--color-warning: #fbbf24;--bg-main: #0a0e1a;--bg-card: rgba(255, 255, 255, .06);--bg-section-dark: #070b14;--bg-elevated: rgba(255, 255, 255, .08);--bg-subtle: rgba(255, 255, 255, .04);--text-primary: #f0f2f8;--text-secondary: rgba(224, 228, 242, .88);--text-tertiary: rgba(180, 190, 218, .65);--text-inverse: #0f172a;--border-light: rgba(255, 255, 255, .08);--border-default: rgba(255, 255, 255, .12);--glass-blur: blur(20px);--glass-bg: rgba(255, 255, 255, .06);--glass-bg-hover: rgba(255, 255, 255, .1);--glass-border: rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .22);--mobile-menu-bg: rgba(14, 18, 32, .95);--mobile-menu-bg-solid: #0e1220;--aurora-teal: #06b6d4;--aurora-purple: #8b5cf6;--aurora-pink: #ec4899;--font-sans: "Plus Jakarta Sans", 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.04);--shadow-card-hover: 0 8px 28px rgb(0 0 0 / .06);color-scheme:light}[data-theme-transitioning] *,[data-theme-transitioning] *:before,[data-theme-transitioning] *:after{transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease!important}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-primary);line-height:1.65;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;font-feature-settings:"cv02","cv03","cv04","cv11"}body.standalone-app{overscroll-behavior-y:contain}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:600;line-height:1.3;letter-spacing:-.025em;word-break:keep-all}a{text-decoration:none;color:var(--color-primary);transition:color 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img{width:100%;height:100%;object-fit:cover}.profile-name{font-size:1rem;font-weight:500;color:var(--text-primary);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dropdown-arrow{width:16px;height:16px;color:var(--text-tertiary);transition:transform var(--transition-fast)}.profile-dropdown-trigger.open .dropdown-arrow{transform:rotate(180deg)}.profile-dropdown-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:200px;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--glass-shadow);padding:.375rem;z-index:1100;animation:dropdownFadeIn .15s ease}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.dropdown-item{display:flex;align-items:center;gap:.625rem;width:100%;padding:.55rem .75rem;background:transparent;border:none;border-radius:var(--radius-md);font-size:1rem;color:var(--text-primary);text-decoration:none;cursor:pointer;transition:background var(--transition-fast)}.dropdown-item:hover{background:var(--glass-bg-hover)}.dropdown-item svg{width:17px;height:17px;color:var(--text-secondary);flex-shrink:0}.dropdown-item.admin{color:var(--aurora-teal)}.dropdown-item.admin svg{color:var(--aurora-teal)}.dropdown-divider{height:1px;background:var(--glass-border);margin:.375rem 0}.dropdown-item.logout{color:var(--color-danger)}.dropdown-item.logout:hover{background:#fb71851a}.dropdown-item.logout svg{color:var(--color-danger)}.nav-icon-link{position:relative;display:flex;align-items:center;justify-content:center;width:36px;height:36px;color:var(--text-secondary);border-radius:var(--radius-md);transition:all var(--transition-fast)}.nav-icon-link:hover,.nav-icon-link.active{color:var(--text-primary);background:var(--glass-bg-hover)}.nav-unread-badge{position:absolute;top:-2px;right:-4px;min-width:18px;height:18px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--aurora-teal),var(--aurora-purple));color:#fff;font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 4px;border:2px solid var(--bg-main);line-height:1}.menu-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:42px;height:42px;background:none;border:none;cursor:pointer;padding:0;z-index:1001;border-radius:var(--radius-md);transition:background var(--transition-fast)}.menu-toggle:hover{background:var(--glass-bg-hover)}.hamburger{position:relative;width:22px;height:2px;background:var(--text-primary);transition:all .3s ease;border-radius:2px}.hamburger:before,.hamburger:after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--text-primary);transition:all .3s ease;border-radius:2px}.hamburger:before{top:-7px}.hamburger:after{top:7px}.menu-toggle.open .hamburger{background:transparent}.menu-toggle.open .hamburger:before{top:0;transform:rotate(45deg)}.menu-toggle.open .hamburger:after{top:0;transform:rotate(-45deg)}.mobile-menu-overlay{display:none}@media(max-width:768px){.mobile-menu-overlay{display:block;position:fixed;top:60px;left:0;width:100vw;height:calc(100vh - 60px);height:calc(100dvh - 60px);background:#0006;z-index:998;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.navbar{height:60px;background:var(--mobile-menu-bg, rgba(255, 255, 255, .92));backdrop-filter:blur(24px) saturate(1.2);-webkit-backdrop-filter:blur(24px) saturate(1.2)}.navbar-brand-name{font-size:1.5rem}.navbar-brand-sub{font-size:.75rem}.menu-toggle{display:flex}.navbar-links{position:fixed;top:60px;right:0;width:80%;max-width:320px;height:calc(100vh - 60px);height:calc(100dvh - 60px);background:var(--mobile-menu-bg-solid, #ffffff);box-shadow:-4px 0 24px #0000001f;flex-direction:column;align-items:stretch;padding:1.25rem;gap:0;transform:translate(100%);opacity:0;transition:transform .3s ease,opacity .3s ease;pointer-events:none;overflow-y:auto;z-index:999}.navbar-links.open{transform:translate(0);opacity:1;pointer-events:auto}.nav-link{padding:.875rem 0;font-size:1.125rem;border-bottom:1px solid var(--glass-border)}.nav-link.active:after{display:none}.nav-link.active{color:var(--aurora-teal);font-weight:600}.nav-dropdown{width:100%}.nav-dropdown-trigger{width:100%;padding:.875rem 0;font-size:1.125rem;border-bottom:1px solid var(--glass-border);justify-content:space-between}.nav-dropdown-menu{position:static;transform:none;margin:0;padding:0 0 0 1rem;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;border:none;box-shadow:none;animation:none;border-bottom:1px solid var(--glass-border)}.nav-dropdown-item{padding:.75rem 0;font-size:1.125rem}.nav-cta{margin-top:.5rem;width:100%;text-align:center;justify-content:center;padding:.75rem!important;border-radius:var(--radius-md)}.navbar-links .btn{margin-top:.75rem;width:100%;justify-content:center;padding:.875rem;font-size:1.125rem;border-radius:var(--radius-md)}.btn-logout{margin-top:.375rem}.nav-icon-link{width:100%;height:auto;padding:.875rem 0;justify-content:flex-start;gap:.625rem;border-bottom:1px solid var(--glass-border);border-radius:0}.nav-icon-link:after{content:"쪽지함";font-size:1.125rem;font-weight:500}.nav-unread-badge{position:static;border:none;min-width:20px;height:20px;font-size:.75rem}.profile-dropdown{width:100%;margin-top:.75rem;padding-top:.75rem;border-top:1px solid var(--glass-border)}.profile-dropdown-trigger{width:100%;padding:.625rem .75rem;border:1px solid var(--glass-border);border-radius:var(--radius-md)}.profile-name{flex:1;max-width:none;text-align:left}.profile-dropdown-menu{position:static;margin-top:.375rem;box-shadow:none;border:1px solid var(--glass-border);animation:none}.dropdown-item{padding:.75rem}}.footer{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-top:1px solid var(--glass-border);padding:3rem 2rem;margin-top:auto}.footer-inner{max-width:1100px;margin:0 auto}.footer-columns{display:flex;gap:3rem;margin-bottom:2rem}.footer-brand{flex:1.2}.footer-logo{display:inline-flex;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:400;color:var(--text-primary);text-decoration:none;letter-spacing:-.02em}.footer-logo-icon{width:28px;height:28px;object-fit:contain}.footer-logo-text{font-weight:700;color:var(--text-primary)}.footer-tagline{margin:.5rem 0 0;font-size:1rem;color:var(--text-tertiary);line-height:1.5}.footer-col{flex:1}.footer-col-title{font-size:1rem;font-weight:600;color:var(--text-primary);margin:0 0 .75rem}.footer-links{display:flex;flex-direction:column;gap:.5rem}.footer-links a,.footer-contact{font-size:1rem;color:var(--text-tertiary);text-decoration:none;line-height:1.5;transition:color var(--transition-fast)}.footer-links a:hover{color:var(--aurora-teal)}.footer-contact{cursor:default}.footer-bottom{border-top:1px solid var(--glass-border);padding-top:1.5rem;text-align:center}.footer-copyright{font-size:.9rem;color:var(--text-tertiary);margin:0}@media(max-width:768px){.footer{padding:2rem 1.25rem}.footer-columns{flex-direction:column;gap:2rem}.footer-bottom{padding-top:1.25rem}}.session-warning-overlay{position:fixed;inset:0;background:#0009;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:10001}.session-warning-dialog{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:20px;padding:2rem;text-align:center;max-width:380px;width:calc(100% - 2rem);box-shadow:var(--glass-shadow)}.session-warning-icon{font-size:2.5rem;margin-bottom:.75rem}.session-warning-dialog h3{color:var(--text-primary);font-size:1.15rem;margin:0}.session-warning-dialog p{color:var(--text-secondary);margin-top:.5rem;font-size:.9rem}.session-warning-sub{margin-bottom:0}.session-warning-actions{display:flex;gap:.75rem;margin-top:1.5rem;justify-content:center}.session-warning-btn{padding:.6rem 1.5rem;border-radius:10px;font-weight:600;border:none;cursor:pointer;font-size:.875rem;transition:opacity .2s}.session-warning-btn:hover{opacity:.85}.session-warning-btn.logout{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);color:var(--text-primary)}.session-warning-btn.extend{background:linear-gradient(135deg,var(--aurora-teal),var(--aurora-purple));color:#fff}[data-theme=light] .session-warning-overlay{background:#00000073}