:root {
    --bg-light: #ffffff;
    --bg-soft: #f3f5f7;
    --bg-dark: #0f1a23;
    --bg-accent: #1f3f5b;
    --text-dark: #14202a;
    --text-muted: #5f6b73;
    --text-light: #f6f8fa;
    --line-light: rgba(20, 32, 42, 0.1);
    --line-dark: rgba(255, 255, 255, 0.14);
    --portal-card: rgba(255, 255, 255, 0.9);
    --portal-card-strong: #ffffff;
    --portal-shadow: 0 24px 60px rgba(20, 32, 42, 0.12);
    --max-width: 1180px;
    font-family: Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg-light);
    color: var(--text-dark);
}

.portal-shell {
    min-height: calc(100vh - 73px);
}

.portal-logo {
    width: min(100%, 520px);
    max-width: 100%;
    object-fit: contain;
    max-height: 420px;
}

.portal-kicker,
.panel-kicker,
.detail-kicker {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.76rem;
    font-weight: 700;
    opacity: 0.75;
}

.portal-hero h1,
.panel-head h2,
.dashboard-header h2 {
    margin: 0;
    font-size: clamp(1.9rem, 3vw, 3rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
}

.portal-copy,
.panel-note,
.detail-text {
    margin: 0;
    color: inherit;
    line-height: 1.75;
    opacity: 0.9;
    text-align: justify;
}

.hero-points {
    display: grid;
    gap: 10px;
    margin-top: 10px;
}

.hero-points span {
    display: inline-flex;
    align-items: center;
    padding: 12px 14px;
    border: 1px solid var(--line-dark);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.08);
}

.page {
    min-height: 100vh;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(14px);
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid var(--line-light);
}

.nav-shell {
    width: min(calc(100vw - 2rem), var(--max-width));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem 0;
}

.nav-brand {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    white-space: nowrap;
}

.nav-links {
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.86rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-light {
    background: var(--bg-light);
    color: var(--text-dark);
}

.section-accent {
    background: linear-gradient(135deg, #153149, var(--bg-accent));
    color: var(--text-light);
}

.portal-hero,
.portal-main {
    width: min(calc(100vw - 2rem), var(--max-width));
    margin: 0 auto;
}

.portal-hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
    align-items: center;
    padding: clamp(4.5rem, 10vw, 7rem) 2rem;
}

.hero-copy {
    display: grid;
    gap: 1.5rem;
}

.hero-logo-panel {
    display: grid;
    place-items: center;
    padding: 1.5rem;
    min-height: 460px;
    background: transparent;
}

.portal-main {
    padding: 2rem 0 4rem;
}

.panel {
    max-width: 1180px;
    margin: 0 auto;
    background: var(--portal-card);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 28px;
    box-shadow: var(--portal-shadow);
}

.panel-auth {
    max-width: 620px;
    padding: 32px;
}

.panel-head,
.dashboard-header,
.detail-head,
.sub-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
}

.stack-form {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.stack-form label,
.stack-form textarea,
.stack-form input[type="file"] {
    display: grid;
    gap: 8px;
    font-weight: 600;
}

.stack-form input,
.stack-form textarea {
    width: 100%;
    border: 1px solid var(--line-light);
    border-radius: 16px;
    padding: 14px 16px;
    font: inherit;
    color: var(--text-dark);
    background: rgba(255, 255, 255, 0.92);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0 1.35rem;
    border: 1px solid currentColor;
    border-radius: 999px;
    background: transparent;
    color: inherit;
    font: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
}

.button-primary {
    background: var(--bg-dark);
    color: var(--bg-light);
    border-color: var(--bg-dark);
}

.feedback {
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(31, 63, 91, 0.08);
    border: 1px solid rgba(31, 63, 91, 0.12);
}

.feedback.is-error {
    background: rgba(143, 44, 32, 0.08);
    border-color: rgba(143, 44, 32, 0.16);
}

.panel-dashboard {
    padding: 28px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 22px;
    margin-top: 24px;
}

.panel-sub,
.detail-card {
    background: var(--portal-card-strong);
    border: 1px solid rgba(20, 32, 42, 0.08);
    border-radius: 22px;
    padding: 22px;
}

.ticket-list,
.timeline,
.messages,
.attachments {
    display: grid;
    gap: 12px;
    margin-top: 18px;
}

.ticket-item,
.timeline-item,
.message-item,
.attachment-item {
    border: 1px solid rgba(20, 32, 42, 0.08);
    border-radius: 18px;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.7);
}

.ticket-item {
    cursor: pointer;
}

.ticket-item.is-active {
    border-color: rgba(31, 63, 91, 0.32);
    background: rgba(31, 63, 91, 0.08);
}

.ticket-top,
.message-top,
.attachment-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.ticket-protocol,
.status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.86rem;
    font-weight: 700;
    background: rgba(20, 32, 42, 0.08);
}

.status-pill.is-green { background: rgba(44, 122, 75, 0.12); color: #2c7a4b; }
.status-pill.is-red { background: rgba(140, 51, 51, 0.12); color: #8c3333; }
.status-pill.is-amber,
.status-pill.is-orange { background: rgba(138, 107, 47, 0.14); color: #8a6b2f; }
.status-pill.is-blue { background: rgba(58, 94, 130, 0.12); color: #3a5e82; }
.status-pill.is-purple { background: rgba(91, 50, 157, 0.12); color: #5b329d; }

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 22px;
}

.detail-card-wide {
    grid-column: 1 / -1;
}

.help-box {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.help-box a {
    color: var(--bg-accent);
}

.inline-form {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
}

.inline-form textarea {
    min-height: 108px;
    resize: vertical;
}

.empty-state {
    padding: 18px;
    border-radius: 16px;
    border: 1px dashed rgba(20, 32, 42, 0.18);
    color: var(--text-muted);
}

@media (max-width: 1080px) {
    .dashboard-grid,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .portal-hero { grid-template-columns: 1fr; padding: 3rem 1.5rem; }
    .portal-main { padding: 1.25rem 0 3rem; }
    .panel-auth, .panel-dashboard, .hero-logo-panel { padding: 24px; }

    .inline-form {
        grid-template-columns: 1fr;
    }

    .nav-shell {
        flex-direction: column;
        align-items: flex-start;
    }
}