/* =========================================================
   main.css — Styles globaux, variables, layout principal
   ========================================================= */

/* Variables CSS du thème (sombre par défaut, lisible sur iPad) */
:root {
    --color-bg:           #1e1e22;
    --color-bg-elevated:  #28282e;
    --color-bg-panel:     #2d2d33;
    --color-border:       #3a3a42;
    --color-text:         #e8e8ec;
    --color-text-muted:   #9a9aa3;
    --color-accent:       #4a9eff;
    --color-accent-soft:  rgba(74, 158, 255, 0.18);
    --color-danger:       #ff5a5a;
    --color-success:      #4ade80;

    /* Dimensions du layout */
    --topbar-height:      52px;
    --statusbar-height:   36px;
    --toolbar-width:      64px;
    --side-panel-width:   280px;

    /* Tailles de touch targets (recommandation Apple ≥ 44px) */
    --touch-target:       48px;

    --radius-sm:          6px;
    --radius-md:          10px;

    --transition-fast:    120ms ease-out;
}

/* Reset minimal */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    overflow: hidden;
    overscroll-behavior: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    user-select: none;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.4;
}

body {
    display: flex;
    flex-direction: column;
    /* Prise en compte des safe areas iOS (encoche, barre dynamique) */
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

/* Layout principal en grille : topbar | workspace | statusbar */
.workspace {
    flex: 1 1 auto;
    display: grid;
    grid-template-columns: var(--toolbar-width) 1fr var(--side-panel-width);
    grid-template-rows: 1fr;
    min-height: 0; /* indispensable pour que le canvas puisse rétrécir */
    width: 100%;
    background: var(--color-bg);
}

/* Barre d'actions globales en haut */
.topbar {
    flex: 0 0 auto;
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
    z-index: 10;
}

.topbar-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.app-title {
    margin: 0;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.3px;
}

/* Bouton icône générique (topbar, statusbar) */
.btn-icon {
    width: var(--touch-target);
    height: var(--touch-target);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--color-text);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 20px;
    transition: background var(--transition-fast), border-color var(--transition-fast);
    touch-action: manipulation;
}

.btn-icon:hover,
.btn-icon:focus-visible {
    background: var(--color-bg-panel);
    outline: none;
}

.btn-icon:active {
    background: var(--color-accent-soft);
}

.btn-icon__glyph {
    font-size: 20px;
    line-height: 1;
    pointer-events: none;
}

/* Barre de statut bas */
.statusbar {
    flex: 0 0 auto;
    height: var(--statusbar-height);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 16px;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    font-size: 12px;
    color: var(--color-text-muted);
    z-index: 10;
}

.statusbar__item {
    white-space: nowrap;
}

.statusbar__opacite {
    display: flex;
    align-items: center;
    gap: 8px;
}

.statusbar__opacite[hidden] {
    display: none;
}

.statusbar__opacite label {
    color: var(--color-text-muted);
}

.statusbar__opacite input[type="range"] {
    width: 100px;
    accent-color: var(--color-accent);
}

.statusbar__opacite #opacite-valeur {
    min-width: 38px;
    text-align: right;
    color: var(--color-text);
}

.statusbar__btn {
    margin-left: auto;
    height: 28px;
    padding: 0 12px;
    background: var(--color-bg-panel);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 12px;
    cursor: pointer;
    touch-action: manipulation;
    transition: background var(--transition-fast);
}

.statusbar__btn:hover,
.statusbar__btn:focus-visible {
    background: var(--color-accent-soft);
    outline: none;
}

/* =========================================================
   Modal réutilisable
   ========================================================= */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 24px;
    /* Sécurité tactile : pas de pinch/scroll iOS sur l'overlay */
    touch-action: manipulation;
}

.modal-overlay[hidden] {
    display: none;
}

.modal {
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    max-width: 460px;
    width: 100%;
    padding: 20px 22px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
}

.modal__titre {
    margin: 0 0 12px;
    font-size: 16px;
    font-weight: 600;
}

.modal__corps {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
}

.modal__corps p {
    margin: 0 0 10px;
}

.modal__corps label {
    display: block;
    margin: 14px 0 6px;
    font-size: 12px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modal__corps input[type="number"],
.modal__corps input[type="text"],
.modal__corps select {
    width: 100%;
    height: 44px;
    padding: 0 12px;
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 15px;
}

.modal__corps input:focus,
.modal__corps select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.modal__corps .modal__inline {
    display: flex;
    gap: 8px;
    align-items: center;
}

.modal__corps .modal__inline input {
    flex: 1;
}

.modal__actions {
    margin-top: 18px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.modal__btn {
    height: 44px;
    min-width: 100px;
    padding: 0 16px;
    background: var(--color-bg-panel);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    cursor: pointer;
    touch-action: manipulation;
    transition: background var(--transition-fast);
}

.modal__btn:hover,
.modal__btn:focus-visible {
    background: var(--color-bg);
    outline: none;
}

.modal__btn--primaire {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

.modal__btn--primaire:hover,
.modal__btn--primaire:focus-visible {
    background: #3a8de8;
}

/* =========================================================
   Écran d'accueil — modal élargie
   ========================================================= */

body.mode-accueil .modal {
    max-width: 760px;
}

.accueil-corps {
    max-height: 60vh;
    overflow-y: auto;
}

.accueil-liste {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.accueil-projet {
    display: grid;
    grid-template-columns: 64px 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 10px;
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
}

.accueil-projet:hover { border-color: var(--color-accent); }

.accueil-projet__miniature {
    width: 64px;
    height: 64px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.accueil-projet__miniature img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.accueil-projet__placeholder {
    font-size: 28px;
    color: var(--color-text-muted);
}

.accueil-projet__nom {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
}
.accueil-projet__meta {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 3px;
}

.accueil-projet__actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

.accueil-btn {
    height: 36px;
    padding: 0 14px;
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
    touch-action: manipulation;
    transition: background var(--transition-fast);
}
.accueil-btn:hover { background: var(--color-bg-elevated); }

.accueil-btn--primaire {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}
.accueil-btn--primaire:hover { background: #3a8de8; }

.accueil-btn--danger {
    width: 36px;
    padding: 0;
    color: var(--color-text-muted);
}
.accueil-btn--danger:hover {
    background: rgba(255, 90, 90, 0.15);
    color: var(--color-danger);
    border-color: var(--color-danger);
}