/* ===== VARIABLES ===== */
:root {
    /* Palette validée (Phase B) : Bleu roi + Ambre doré, fond blanc */
    --color-primary:      #2563EB;
    --color-primary-rgb:  37, 99, 235;
    --color-accent:       #FFB703;
    --color-accent-rgb:   255, 183, 3;
    --color-accent-ink:   #854D0E;
    --color-bg:           #FFFFFF;

    /* Tokens fixes */
    --color-surface:      #FFFFFF;
    --color-text:         #111827;
    --color-text-body:    #374151;
    --color-text-muted:   #6B7280;
    --color-text-faint:   #9CA3AF;
    --color-border:       #E5E7EB;
    --color-divider:      #F3F4F6;

    /* Sémantique financière */
    --color-positive:     #16A34A;
    --color-negative:     #DC2626;

    /* Composants */
    --radius:             6px;
    --shadow-card:        0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-card-hover:  0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-drawer:      -4px 0 24px rgba(0, 0, 0, 0.10);
    --transition:         150ms ease;

    /* Typographie : 2 polices vectorielles */
    --font-title:         'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
    --font-body:          'Inter', system-ui, -apple-system, sans-serif;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; }

html, body {
    overflow-x: hidden;
    max-width: 100%;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text-body);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

img, video, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3, h4, p { margin: 0; }

a {
    color: inherit;
    text-decoration: none;
}

button, input, select, textarea {
    font: inherit;
    color: inherit;
}

button { cursor: pointer; }

ul { list-style: none; margin: 0; padding: 0; }

.icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.icon--sm { width: 16px; height: 16px; }
.icon--lg { width: 22px; height: 22px; }

.text-truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.flex-child { min-width: 0; }

@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }

/* ===== TYPOGRAPHIE ===== */
.t-title { font-family: var(--font-title); }
.t-muted { color: var(--color-text-muted); }
.t-micro { font-size: 11px; color: var(--color-text-faint); }
.t-positive { color: var(--color-positive); }
.t-negative { color: var(--color-negative); }
.t-strong { color: var(--color-text); font-weight: 600; }
.t-num { font-variant-numeric: tabular-nums; }

/* ===== MARQUE ===== */
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-title);
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-primary);
    flex-shrink: 0;
}

.brand__mark {
    width: 30px;
    height: 30px;
    border-radius: var(--radius);
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand__mark svg { width: 20px; height: 20px; }

.brand em {
    font-style: normal;
    color: var(--color-accent);
}

/* ===== TOP NAVIGATION ===== */
.topnav {
    position: sticky;
    top: 0;
    z-index: 90;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.topnav__inner {
    display: flex;
    align-items: center;
    gap: 28px;
    height: 60px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

.topnav__links {
    display: flex;
    align-items: stretch;
    gap: 2px;
    flex: 1;
    min-width: 0;
    height: 100%;
}

.topnav__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
    border: none;
    border-bottom: 2px solid transparent;
    border-top: 2px solid transparent;
    background: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    white-space: nowrap;
    transition: color var(--transition);
}

.topnav__link:hover { color: var(--color-text); }

.topnav__link.is-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.topnav__right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.space-tag {
    padding: 3px 8px;
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--color-accent) 22%, #fff);
    color: var(--color-accent-ink);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.cart-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius);
    font-weight: 500;
    color: var(--color-text);
}

.cart-link:hover { background: var(--color-divider); }

.cart-link__count {
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: var(--radius);
    background: var(--color-accent);
    color: var(--color-text);
    font-size: 11px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ===== DROPDOWN ===== */
.dropdown {
    position: relative;
    display: flex;
    align-items: stretch;
}

.dropdown__menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    min-width: 220px;
    padding: 6px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.10);
    z-index: 95;
    animation: fadeIn var(--transition);
}

.dropdown.is-open .dropdown__menu { display: block; }

.dropdown__menu--left {
    left: 0;
    right: auto;
}

.dropdown__item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 12px;
    border: none;
    border-radius: var(--radius);
    background: none;
    font-size: 14px;
    color: var(--color-text);
    text-align: left;
}

.dropdown__item:hover { background: var(--color-divider); }
.dropdown__item--danger { color: #EF4444; }
.dropdown__sep { height: 1px; margin: 6px 0; background: var(--color-divider); }

.user-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 8px 4px 4px;
    border: none;
    border-radius: var(--radius);
    background: none;
    align-self: center;
}

.user-chip:hover { background: var(--color-divider); }

.user-chip__name {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

/* ===== MOBILE CHROME (masqué en desktop) ===== */
.m-header,
.bottom-nav { display: none; }

/* ===== PAGE ===== */
.page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 40px 64px;
}

.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 32px;
}

.page-head__title {
    font-family: var(--font-title);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.page-head__sub {
    margin-top: 4px;
    color: var(--color-text-muted);
}

.page-head__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.section { margin-bottom: 40px; }

.stack {
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-width: 0;
}

.grid-main {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.grid-eq {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.row-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

/* Focus clavier toujours visible (accessibilité). */
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.btn:focus-visible, .chip:focus-visible, .pill:focus-visible { outline-offset: 3px; }