:root{--bg:#f5f7fb;--panel:#fff;--ink:#172033;--muted:#647087;--line:#dde3ef;--brand:#1b6fd8;--brand2:#14a38b;--danger:#c2410c;--ok:#15803d;--shadow:0 12px 30px rgba(23,32,51,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}.brand{font-weight:800;font-size:20px}.topbar nav{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:14px}.topbar form{display:inline}.link-button{border:0;background:transparent;color:var(--muted);cursor:pointer;font:inherit}.nav-cta{color:var(--brand);font-weight:700}.page{max-width:1180px;margin:0 auto;padding:32px 22px 56px}.hero{min-height:calc(100vh - 128px);display:grid;grid-template-columns:1.3fr .7fr;align-items:center;gap:48px}.eyebrow{text-transform:uppercase;font-size:12px;letter-spacing:.08em;color:var(--brand);font-weight:800;margin:0 0 10px}.hero h1,.page-head h1,.portal-head h1{font-size:44px;line-height:1.05;margin:0 0 16px;letter-spacing:0}.hero-text{font-size:19px;color:var(--muted);max-width:650px;line-height:1.55}.actions{display:flex;gap:12px;margin-top:28px}.button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:11px 16px;font-weight:750;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;min-height:42px}.button.primary{background:var(--brand);border-color:var(--brand);color:#fff}.button.secondary{background:#fff;color:var(--ink)}.button.large{min-height:52px;padding:14px 20px}.hero-panel{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:22px;display:grid;gap:14px}.metric,.stat{background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:18px}.metric span,.stat span{display:block;font-size:30px;font-weight:900;color:var(--brand);margin-bottom:8px}.auth-card{max-width:420px;margin:72px auto;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:28px}.auth-card h1{margin:0 0 20px}.form{display:grid;gap:16px}.form label{display:grid;gap:7px;font-weight:700;font-size:14px}.form input,.form select,.form textarea,.search input,.inline-form input{width:100%;border:1px solid var(--line);border-radius:8px;padding:12px 13px;font:inherit;background:#fff;color:var(--ink)}.form textarea{resize:vertical;line-height:1.45}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.attach-picker{display:grid;gap:9px;border:1px dashed #b8c4d8;background:#f8fafc;border-radius:8px;padding:14px}.attach-button{width:max-content;border:1px solid #bfd0ea;background:#fff;color:var(--brand);border-radius:8px;padding:10px 14px;font-weight:800;display:inline-flex;align-items:center;gap:9px;cursor:pointer}.file-icon{width:18px;height:18px;display:inline-block;flex:0 0 18px;background:currentColor;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V7Z'/%3E%3Cpath d='M14 2v4a2 2 0 0 0 2 2h4'/%3E%3Cpath d='M10 12h4'/%3E%3Cpath d='M10 16h4'/%3E%3C/svg%3E") center/contain no-repeat;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V7Z'/%3E%3Cpath d='M14 2v4a2 2 0 0 0 2 2h4'/%3E%3Cpath d='M10 12h4'/%3E%3Cpath d='M10 16h4'/%3E%3C/svg%3E") center/contain no-repeat}.attach-hint{font-size:13px;color:var(--muted)}.selected-files{list-style:none;margin:0;padding:0;display:grid;gap:8px}.selected-file{display:flex;justify-content:space-between;align-items:center;gap:12px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px 10px 10px 12px}.selected-file-meta{display:grid;gap:2px;min-width:0}.selected-file-meta strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.selected-file-meta small{color:var(--muted)}.remove-file{width:30px;height:30px;border:1px solid #fecaca;background:#fff1f2;color:#be123c;border-radius:8px;font-size:20px;line-height:1;cursor:pointer;flex:0 0 auto}.alert{padding:13px 16px;border-radius:8px;margin-bottom:18px;border:1px solid var(--line);background:#fff}.alert.success{border-color:#bbf7d0;background:#f0fdf4;color:#166534}.alert.danger{border-color:#fed7aa;background:#fff7ed;color:#9a3412}.page-head,.portal-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px}.page-head h1,.portal-head h1{font-size:34px}.muted{color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:28px}.grid.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}.panel,.ticket-form-shell,.ticket-detail{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:22px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:8px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:middle}th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:#f8fafc}tr:last-child td{border-bottom:0}.badge,.priority-pill{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:800;white-space:nowrap}.badge{background:#eef2ff;color:#3730a3}.badge.ok,.badge.status-closed,.badge.status-resolved{background:#dcfce7;color:#166534}.badge.status-new{background:#dbeafe;color:#1d4ed8}.badge.status-in_progress{background:#fef3c7;color:#92400e}.badge.status-waiting_client{background:#fce7f3;color:#9d174d}.priority-pill{float:right}.priority-normal{background:#e0f2fe;color:#075985}.priority-high{background:#ffedd5;color:#9a3412}.priority-critical{background:#fee2e2;color:#991b1b}.priority-card-high{border-color:#fdba74}.priority-card-critical{border-color:#fca5a5;box-shadow:0 12px 30px rgba(153,27,27,.12)}.icon-button{width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer}.search{display:flex;gap:10px;margin-bottom:16px}.inline-form{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;margin-bottom:16px}.log-list{display:grid;gap:10px}.log{border:1px solid var(--line);border-radius:8px;background:#fff;padding:12px;display:grid;gap:4px}.log.success{border-color:#bbf7d0}.log.error{border-color:#fed7aa}.log small{color:var(--muted)}.portal-head{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:26px}.portal-head p{color:var(--muted);margin:0}.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.ticket-card{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:18px;display:grid;gap:12px;min-height:210px}.ticket-card h2{font-size:20px;margin:0}.ticket-card p{color:var(--muted);margin:0;line-height:1.45}.ticket-card small{color:var(--muted);align-self:end}.empty-state{grid-column:1/-1;background:#fff;border:1px solid var(--line);border-radius:8px;text-align:center;padding:56px 24px}.ticket-form-shell{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}.tip-panel{background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:18px}.tip-panel h2{margin-top:0}.tip-panel li{margin:10px 0;color:var(--muted)}.ticket-detail{display:grid;grid-template-columns:1fr 260px;gap:24px}.ticket-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:var(--muted)}.ticket-main h1{font-size:34px;margin:16px 0}.preserve{white-space:pre-wrap;line-height:1.55}.file-list{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:8px}.file-list li{border:1px solid var(--line);border-radius:8px;padding:10px 12px;display:flex;justify-content:space-between;gap:12px;background:#f8fafc}.file-list a{color:var(--brand);font-weight:750}.file-list small{color:var(--muted)}.side-card{background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:16px;display:grid;gap:8px;align-content:start}.side-card b{font-size:12px;text-transform:uppercase;color:var(--muted)}code{background:#eef2ff;border-radius:6px;padding:3px 6px}@media(max-width:820px){.topbar{padding:0 16px}.topbar nav{gap:10px}.hero,.grid.two,.ticket-form-shell,.ticket-detail{grid-template-columns:1fr}.stats-grid,.ticket-grid{grid-template-columns:1fr}.page{padding:22px 14px}.hero h1,.page-head h1,.portal-head h1{font-size:32px}.page-head,.portal-head{align-items:flex-start;flex-direction:column}.inline-form,.form-row{grid-template-columns:1fr}.attach-button{width:100%}.selected-file{align-items:flex-start}}

/* Chat bubbles */
.messages-thread{display:grid;gap:10px;margin:14px 0 18px}
.msg-row{display:flex}
.msg-row.in{justify-content:flex-start}
.msg-row.out{justify-content:flex-end}
.msg-bubble{max-width:min(78%,740px);padding:10px 12px;border-radius:14px;box-shadow:var(--shadow)}
.msg-row.in .msg-bubble{background:#f2f6ff;border:1px solid #c9d9ff;border-bottom-left-radius:6px}
.msg-row.out .msg-bubble{background:#e7f9ef;border:1px solid #bde9cc;border-bottom-right-radius:6px}
.msg-author{display:block;font-size:12px;color:#3d4b66;margin-bottom:6px}
.msg-body{margin:0;font-size:15px}
.msg-time{display:block;margin-top:6px;color:var(--muted);font-size:11px}


/* Chat hardening */
.ticket-card{position:relative;overflow:hidden}.unread-badge{position:absolute;right:12px;bottom:12px;min-width:24px;height:24px;padding:0 7px;border-radius:999px;background:#dc2626;color:#fff;font-size:12px;font-weight:900;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(220,38,38,.3)}
.msg-bubble{min-width:0;overflow:hidden}.msg-body{overflow-wrap:anywhere;word-break:break-word;max-width:100%}.messages-thread{min-width:0}.ticket-main{min-width:0}.msg-files{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px}.msg-files li{display:flex;justify-content:space-between;gap:10px;align-items:center;border:1px solid var(--line);background:rgba(255,255,255,.55);border-radius:8px;padding:7px 9px;min-width:0}.msg-files a{color:var(--brand);font-weight:750;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.msg-files small{color:var(--muted);white-space:nowrap}
@media(max-width:820px){.msg-bubble{max-width:92%}}


/* Ticket tabs and metadata */
.ticket-tabs{display:flex;gap:10px;margin:0 0 18px;flex-wrap:wrap}.ticket-tab{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px 13px;font-weight:800;color:var(--muted)}.ticket-tab.active{border-color:var(--brand);color:var(--brand);background:#eff6ff}.ticket-tab span{min-width:22px;height:22px;border-radius:999px;background:#eef2ff;color:#334155;font-size:12px;display:inline-flex;align-items:center;justify-content:center}.ticket-tab.active span{background:var(--brand);color:#fff}.ticket-card-meta{display:grid;gap:4px;color:var(--muted);font-size:13px;line-height:1.35}.read-only-note{background:#f8fafc}.badge.status-closed{background:#dcfce7;color:#166534}

.topbar{min-height:64px;height:auto;gap:14px;overflow:hidden}.brand{display:inline-flex;align-items:center;min-width:0;flex:0 0 auto}.brand img{display:block;width:clamp(78px,12vw,96px);height:auto;max-height:24px}.topbar nav{min-width:0;flex:1 1 auto;justify-content:flex-end;gap:12px;overflow:hidden}.topbar nav a,.topbar nav .link-button{white-space:nowrap}.landing-hero{min-height:calc(100vh - 128px);display:flex;align-items:center;justify-content:center;text-align:center}.landing-hero>div{max-width:min(760px,100%)}.landing-actions{justify-content:center;margin-top:30px}.topbar nav:empty{display:none}@media(max-width:820px){.topbar{min-height:56px;padding:8px 12px;gap:8px}.brand img{width:72px;max-height:20px}.topbar nav{gap:7px;font-size:12px;line-height:1.1}.topbar nav a,.topbar nav .link-button{max-width:84px;overflow:hidden;text-overflow:ellipsis}.nav-cta{font-weight:800}.landing-hero{min-height:calc(100vh - 96px)}}@media(max-width:380px){.brand img{width:64px}.topbar nav{gap:5px;font-size:11px}.topbar nav a,.topbar nav .link-button{max-width:76px}}

/* Header fit hardening */
.topbar nav a,.topbar nav form{min-width:0;flex:0 1 auto}.topbar nav form{display:inline-flex}.topbar nav .link-button{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:380px){.topbar{padding:8px;gap:6px}.brand img{width:56px;max-height:18px}.topbar nav{gap:4px;font-size:11px}.topbar nav a,.topbar nav form{max-width:66px}.topbar nav .link-button{padding:0}}

/* Final responsive header and landing alignment */
.topbar{height:auto!important;min-height:64px!important;display:grid!important;grid-template-columns:auto minmax(0,1fr)!important;align-items:center!important;gap:12px!important;padding:10px 24px!important;overflow:visible!important}
.brand{display:inline-flex!important;align-items:center!important;min-width:0!important;max-width:96px!important;line-height:0!important;flex:none!important}
.brand img{display:block!important;width:clamp(56px,8vw,86px)!important;height:auto!important;max-height:22px!important;object-fit:contain!important}
.topbar nav{display:flex!important;align-items:center!important;justify-content:flex-end!important;gap:14px!important;min-width:0!important;flex-wrap:wrap!important;overflow:visible!important}
.topbar nav a,.topbar nav form,.topbar nav .link-button{min-width:0!important;white-space:nowrap!important;max-width:none!important;overflow:visible!important;text-overflow:clip!important}
.topbar nav form{display:inline-flex!important}.topbar nav:empty{display:none!important}
.landing-hero{display:grid!important;place-items:center!important;text-align:center!important;min-height:calc(100vh - 128px)!important;width:100%!important}
.landing-hero>div{width:min(760px,100%)!important;margin-inline:auto!important;display:grid!important;justify-items:center!important}.landing-actions{justify-content:center!important;width:100%!important}
@media(max-width:640px){.topbar{grid-template-columns:1fr!important;justify-items:center!important;min-height:72px!important;padding:10px 12px!important;gap:8px!important}.brand{max-width:76px!important;justify-content:center!important}.brand img{width:68px!important;max-height:18px!important}.topbar nav{width:100%!important;justify-content:center!important;gap:10px!important;font-size:13px!important;line-height:1.15!important}.topbar nav a,.topbar nav form,.topbar nav .link-button{max-width:calc(33vw - 14px)!important;overflow:hidden!important;text-overflow:ellipsis!important}.topbar nav .link-button{padding:0!important}.landing-hero{min-height:calc(100vh - 112px)!important}.landing-hero h1{font-size:30px!important;max-width:340px!important;margin-inline:auto!important}.landing-actions{margin-top:26px!important}}
@media(max-width:360px){.topbar nav{gap:7px!important;font-size:12px!important}.brand img{width:60px!important;max-height:16px!important}.landing-hero h1{font-size:28px!important}}

/* Mobile nav readability */
@media(max-width:640px){.topbar{min-height:86px!important;padding:10px 10px 12px!important;align-content:center!important}.brand img{width:54px!important;max-height:15px!important}.topbar nav{width:100%!important;justify-content:space-evenly!important;gap:8px!important;font-size:13px!important}.topbar nav a,.topbar nav form,.topbar nav .link-button{max-width:none!important;overflow:visible!important;text-overflow:clip!important;white-space:nowrap!important}.topbar nav .nav-cta{min-width:max-content!important}}
@media(max-width:360px){.topbar{min-height:88px!important;padding:9px 6px 11px!important}.brand img{width:48px!important;max-height:14px!important}.topbar nav{gap:5px!important;font-size:12px!important;justify-content:center!important}.topbar nav a,.topbar nav form{max-width:none!important}.topbar nav .link-button{padding:0!important}}

/* Stage 1 realtime polish */
.hero.landing-hero{grid-template-columns:1fr!important;justify-items:center!important;align-items:center!important;text-align:center!important}
.hero.landing-hero>div{width:min(760px,100%)!important;margin-inline:auto!important;display:grid!important;justify-items:center!important}
.hero.landing-hero .landing-actions{justify-content:center!important;width:100%!important}


/* PWA/unread polish */
.portal-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.notify-button{position:relative}
.notify-button.ok{border-color:#bbf7d0;background:#f0fdf4;color:#166534}
.notify-button.warn{border-color:#fed7aa;background:#fff7ed;color:#9a3412}
.ticket-tab{position:relative}
.ticket-tab.has-unread::after{content:"";position:absolute;right:-3px;top:-3px;width:10px;height:10px;border-radius:999px;background:#dc2626;border:2px solid #fff;box-shadow:0 0 0 1px rgba(220,38,38,.2)}
@media(max-width:640px){.portal-actions{width:100%;justify-content:stretch}.portal-actions .button{flex:1 1 auto}}