/* =====================================================================
   TOPSCREEN — Portail de télémaintenance
   Feuille de style principale — identité bleu foncé / accent
   ===================================================================== */

:root {
    /* Palette TOPSCREEN */
    --color-bg:            #f5f6f9;
    --color-surface:       #ffffff;
    --color-surface-alt:   #f8fafc;
    --color-border:        #e2e6ee;
    --color-border-strong: #c7cdda;

    --color-text:          #0f172a;
    --color-text-muted:    #5b6474;
    --color-text-soft:     #94a3b8;

    --color-primary:       #0d1f3c;        /* bleu marine profond */
    --color-primary-hover: #0a1a33;
    --color-primary-soft:  #1a2f54;
    --color-accent:        #2d5aa8;        /* bleu accent */
    --color-accent-hover:  #24488c;
    --color-accent-soft:   #e8effa;

    --color-success:       #16a34a;
    --color-success-soft:  #dcfce7;
    --color-warning:       #d97706;
    --color-warning-soft:  #fef3c7;
    --color-danger:        #dc2626;
    --color-danger-soft:   #fee2e2;
    --color-info:          #0891b2;
    --color-info-soft:     #cffafe;

    --radius:    10px;
    --radius-sm: 6px;
    --radius-lg: 14px;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow:    0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.10);

    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4, h5 { margin: 0 0 0.5em; color: var(--color-primary); font-weight: 600; line-height: 1.3; }
h1 { font-size: 24px; }
h2 { font-size: 20px; }
h3 { font-size: 17px; }
h4 { font-size: 15px; }

p { margin: 0 0 0.8em; }

/* ========== LAYOUT ========== */
.app { display: flex; flex-direction: column; min-height: 100vh; }
.main { flex: 1; padding: 28px 0 60px; }
.container { max-width: 1320px; margin: 0 auto; padding: 0 24px; }

/* ========== TOPBAR ========== */
.topbar {
    background: var(--color-primary);
    color: #fff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.topbar__inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    height: 64px;
}
.topbar__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    text-decoration: none;
}
.topbar__brand:hover { text-decoration: none; }

.logo {
    width: 34px; height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    border-radius: var(--radius-sm);
    box-shadow: inset 0 0 0 2px rgba(255,255,255,0.15);
}
.logo__diamond {
    width: 18px; height: 18px;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.65) 100%);
    transform: rotate(45deg);
    border-radius: 2px;
}

.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__text strong { font-size: 16px; letter-spacing: 0.5px; }
.brand__text small { font-size: 11px; color: rgba(255,255,255,0.65); letter-spacing: 0.3px; }

.topnav { display: flex; gap: 4px; flex: 1; margin-left: 20px; }
.topnav__link {
    color: rgba(255,255,255,0.8);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
}
.topnav__link:hover { background: rgba(255,255,255,0.08); color: #fff; text-decoration: none; }
.topnav__link.is-active { background: rgba(255,255,255,0.12); color: #fff; }

.topbar__user { display: flex; align-items: center; gap: 16px; }
.user__meta { text-align: right; line-height: 1.15; }
.user__meta strong { font-size: 13px; font-weight: 600; color: #fff; display: block; }
.user__meta small { font-size: 11px; color: rgba(255,255,255,0.65); }

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 16px;
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.btn--primary  { background: var(--color-accent);  color: #fff; border-color: var(--color-accent); }
.btn--primary:hover  { background: var(--color-accent-hover); border-color: var(--color-accent-hover); }

.btn--dark     { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn--dark:hover { background: var(--color-primary-hover); }

.btn--secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border-strong); }
.btn--secondary:hover { background: var(--color-surface-alt); }

.btn--ghost { background: transparent; color: rgba(255,255,255,0.85); border-color: rgba(255,255,255,0.3); }
.btn--ghost:hover { background: rgba(255,255,255,0.1); color: #fff; }

.btn--danger { background: var(--color-danger); color: #fff; border-color: var(--color-danger); }
.btn--danger:hover { background: #b91c1c; }

.btn--sm { padding: 6px 11px; font-size: 12px; }
.btn--lg { padding: 12px 22px; font-size: 15px; }
.btn--block { width: 100%; }

/* ========== CARDS ========== */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.card__header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.card__title { margin: 0; font-size: 15px; font-weight: 600; color: var(--color-primary); }
.card__body { padding: 20px; }
.card__footer { padding: 14px 20px; border-top: 1px solid var(--color-border); background: var(--color-surface-alt); border-radius: 0 0 var(--radius) var(--radius); }

/* ========== GRID ========== */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--sidebar { grid-template-columns: 280px 1fr; }

@media (max-width: 960px) {
    .grid--4, .grid--3 { grid-template-columns: repeat(2, 1fr); }
    .grid--sidebar { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
    .topnav { display: none; }
}

/* ========== STAT CARDS (KPI) ========== */
.stat {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
    overflow: hidden;
}
.stat::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--color-accent);
}
.stat--success::before { background: var(--color-success); }
.stat--warning::before { background: var(--color-warning); }
.stat--danger::before  { background: var(--color-danger);  }
.stat--info::before    { background: var(--color-info);    }

.stat__label { font-size: 12px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat__value { font-size: 28px; font-weight: 700; color: var(--color-primary); line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat__delta { font-size: 12px; color: var(--color-text-soft); margin-top: 2px; }
.stat__delta--up { color: var(--color-success); }
.stat__delta--down { color: var(--color-danger); }

/* ========== TABLES ========== */
.table-wrapper { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--color-border); }
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    font-size: 13px;
}
.table th,
.table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}
.table th {
    background: var(--color-surface-alt);
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr { transition: background 0.12s; }
.table tbody tr:hover { background: var(--color-surface-alt); }
.table a { font-weight: 500; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }

/* ========== BADGES ========== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 999px;
    letter-spacing: 0.2px;
    text-transform: uppercase;
    border: 1px solid transparent;
    white-space: nowrap;
}

/* Priorités */
.badge--p1 { background: var(--color-danger-soft);  color: var(--color-danger);  border-color: #fecaca; }
.badge--p2 { background: var(--color-warning-soft); color: var(--color-warning); border-color: #fde68a; }
.badge--p3 { background: var(--color-accent-soft);  color: var(--color-accent);  border-color: #bfd3ef; }
.badge--p4 { background: #f1f5f9;                   color: var(--color-text-muted); border-color: #e2e8f0; }

/* Statuts */
.badge--open       { background: #e0f2fe;               color: #0369a1; border-color: #bae6fd; }
.badge--assigned   { background: #ede9fe;               color: #6d28d9; border-color: #ddd6fe; }
.badge--inprogress { background: var(--color-warning-soft); color: var(--color-warning); border-color: #fde68a; }
.badge--waiting    { background: #f1f5f9;               color: var(--color-text-muted); border-color: #e2e8f0; }
.badge--resolved   { background: var(--color-success-soft); color: var(--color-success); border-color: #bbf7d0; }
.badge--closed     { background: #f1f5f9;               color: #475569; border-color: #cbd5e1; }
.badge--cancelled  { background: #f1f5f9;               color: #94a3b8; border-color: #e2e8f0; }

/* SLA */
.sla--ok      { color: var(--color-success); }
.sla--warning { color: var(--color-warning); font-weight: 600; }
.sla--over    { color: var(--color-danger);  font-weight: 700; }

/* ========== FORMS ========== */
.field { margin-bottom: 16px; }
.field__label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}
.field__hint { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

.input, .select, .textarea {
    width: 100%;
    padding: 9px 12px;
    font-size: 14px;
    font-family: var(--font);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.input:focus, .select:focus, .textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(45, 90, 168, 0.15);
}
.textarea { min-height: 120px; resize: vertical; }

.field-row { display: flex; gap: 14px; flex-wrap: wrap; }
.field-row .field { flex: 1; min-width: 220px; }

/* ========== ALERTS ========== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13.5px;
}
.alert--info    { background: var(--color-info-soft);    color: #155e75; border-color: #a5f3fc; }
.alert--success { background: var(--color-success-soft); color: #166534; border-color: #bbf7d0; }
.alert--warning { background: var(--color-warning-soft); color: #92400e; border-color: #fde68a; }
.alert--danger  { background: var(--color-danger-soft);  color: #991b1b; border-color: #fecaca; }

/* ========== PAGE HEADER ========== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}
.page-header__title { display: flex; flex-direction: column; }
.page-header__title h1 { margin: 0 0 4px; font-size: 22px; }
.page-header__title small { color: var(--color-text-muted); font-size: 13px; }
.page-header__actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ========== LOGIN PAGE ========== */
.login-layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 440px;
    background: linear-gradient(135deg, #0d1f3c 0%, #1a2f54 50%, #2d5aa8 100%);
    position: relative;
    overflow: hidden;
}
.login-layout::before {
    content: "";
    position: absolute;
    top: -50%; right: -20%;
    width: 80%; height: 160%;
    background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 65%);
}

.login-hero {
    padding: 60px;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 1;
}
.login-hero__brand { display: flex; align-items: center; gap: 14px; margin-bottom: 40px; }
.login-hero__brand .logo { width: 48px; height: 48px; }
.login-hero__brand .logo__diamond { width: 24px; height: 24px; }
.login-hero__brand strong { font-size: 22px; letter-spacing: 1px; }
.login-hero__brand small { font-size: 12px; color: rgba(255,255,255,0.6); display: block; letter-spacing: 0.5px; }
.login-hero h1 { color: #fff; font-size: 34px; line-height: 1.15; max-width: 480px; margin-bottom: 16px; }
.login-hero p { color: rgba(255,255,255,0.75); max-width: 480px; font-size: 15px; }

.login-hero__features { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.login-hero__feature { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,0.85); }
.login-hero__feature::before {
    content: "✓";
    display: inline-flex; align-items: center; justify-content: center;
    width: 22px; height: 22px;
    background: rgba(255,255,255,0.12);
    border-radius: 50%;
    font-size: 12px;
}

.login-panel {
    background: #fff;
    padding: 60px 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 1;
}
.login-panel h2 { margin: 0 0 6px; font-size: 22px; }
.login-panel > p { color: var(--color-text-muted); margin-bottom: 28px; }

.login-panel__demo {
    margin-top: 20px;
    padding: 12px;
    background: var(--color-surface-alt);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    font-size: 12px;
    color: var(--color-text-muted);
}
.login-panel__demo strong { display: block; color: var(--color-primary); margin-bottom: 6px; font-size: 13px; }
.login-panel__demo code { font-family: var(--font-mono); font-size: 11.5px; color: var(--color-text); background: #fff; padding: 1px 5px; border-radius: 3px; border: 1px solid var(--color-border); }

@media (max-width: 900px) {
    .login-layout { grid-template-columns: 1fr; }
    .login-hero { padding: 40px 24px; }
    .login-panel { padding: 40px 24px; }
}

/* ========== TICKET LIST ITEM ========== */
.ticket-row { display: flex; flex-direction: column; gap: 4px; }
.ticket-row__title { font-weight: 600; color: var(--color-primary); }
.ticket-row__meta { display: flex; gap: 12px; font-size: 12px; color: var(--color-text-muted); flex-wrap: wrap; }
.ticket-row__meta span { display: inline-flex; align-items: center; gap: 4px; }

/* ========== TICKET DETAIL ========== */
.ticket-header {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}
.ticket-header__top { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 12px; flex-wrap: wrap; }
.ticket-header__ref { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-muted); }
.ticket-header h1 { font-size: 22px; margin: 0 0 12px; }
.ticket-header__badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.ticket-header__meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; font-size: 13px; }
.ticket-header__meta dt { color: var(--color-text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: 2px; }
.ticket-header__meta dd { margin: 0; font-weight: 500; }

/* Timeline */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--color-border);
}
.timeline__item { position: relative; padding: 0 0 18px; }
.timeline__item::before {
    content: "";
    position: absolute;
    left: -22px;
    top: 6px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 0 3px #fff;
}
.timeline__item--resolution::before { background: var(--color-success); }
.timeline__item--closure::before { background: #64748b; }
.timeline__item--sla_alert::before { background: var(--color-warning); }
.timeline__head { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; margin-bottom: 2px; }
.timeline__head strong { color: var(--color-primary); }
.timeline__time { color: var(--color-text-muted); font-size: 12px; }
.timeline__desc { font-size: 13px; color: var(--color-text); }

/* ========== UTILITIES ========== */
.text-muted { color: var(--color-text-muted); }
.text-soft  { color: var(--color-text-soft); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.flex { display: flex; } .items-center { align-items: center; } .gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .justify-between { justify-content: space-between; }
.w-100 { width: 100%; }

/* ========== FOOTER ========== */
.sitefooter {
    background: var(--color-primary);
    color: rgba(255,255,255,0.8);
    padding: 32px 24px;
    margin-top: auto;
}
.sitefooter__inner {
    max-width: 1320px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    font-size: 13px;
}
.sitefooter strong { color: #fff; display: block; margin-bottom: 6px; font-size: 13px; letter-spacing: 0.3px; }
.sitefooter a { color: rgba(255,255,255,0.85); }
.sitefooter p { margin: 0; line-height: 1.6; }
.sitefooter__col--right { text-align: right; align-self: center; }
.sitefooter__col--right small { color: rgba(255,255,255,0.55); }

@media (max-width: 800px) {
    .sitefooter__inner { grid-template-columns: 1fr 1fr; }
    .sitefooter__col--right { text-align: left; grid-column: 1 / -1; }
}

/* ========== CHART HELPERS ========== */
.chart-box { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 20px; }
.chart-box h3 { margin-top: 0; font-size: 14px; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--color-text-muted); margin-top: 10px; }
.chart-legend__item { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend__dot { width: 10px; height: 10px; border-radius: 3px; }

/* Bar chart (pur CSS) */
.bar-chart { display: flex; flex-direction: column; gap: 10px; }
.bar-row { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.bar-row__label { width: 140px; color: var(--color-text-muted); font-size: 12px; }
.bar-row__track { flex: 1; height: 10px; background: var(--color-surface-alt); border-radius: 999px; overflow: hidden; border: 1px solid var(--color-border); }
.bar-row__fill { height: 100%; background: var(--color-accent); border-radius: 999px; }
.bar-row__fill--p1 { background: var(--color-danger); }
.bar-row__fill--p2 { background: var(--color-warning); }
.bar-row__fill--p3 { background: var(--color-accent); }
.bar-row__fill--p4 { background: #94a3b8; }
.bar-row__value { width: 50px; text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }

/* Donut */
.donut {
    --val: 75;
    --color: var(--color-accent);
    width: 140px; height: 140px;
    border-radius: 50%;
    background: conic-gradient(var(--color) calc(var(--val) * 1%), var(--color-surface-alt) 0);
    display: grid;
    place-items: center;
    position: relative;
}
.donut::before {
    content: "";
    position: absolute;
    inset: 14px;
    background: var(--color-surface);
    border-radius: 50%;
}
.donut__label { position: relative; z-index: 1; text-align: center; }
.donut__value { display: block; font-size: 22px; font-weight: 700; color: var(--color-primary); }
.donut__text  { display: block; font-size: 11px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* Filter bar */
.filterbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; align-items: center; }
.filterbar .input, .filterbar .select { max-width: 220px; }

/* Pagination (simple) */
.empty {
    padding: 60px 20px;
    text-align: center;
    color: var(--color-text-muted);
}
.empty strong { display: block; color: var(--color-primary); margin-bottom: 6px; font-size: 15px; }