/* ── Éléments interactifs Weidler Studio ──
   Boutons, liens, menus, états hover/focus/disabled, transitions.
   Chargé après layout.css. Couleurs de thème dans themes.css. ── */

/* ── Liens ── */
a:not(.btn-primary):not(.btn-download-nexus):not(.product-card):not(.logo-link):not(.home-btn--primary):not(.home-btn--secondary):hover {
    color: var(--accent);
}

/* ── Header contact ── */
.header-contact,
.home-header-contact {
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.header-contact:hover,
.home-header-contact:hover {
    background: rgba(34, 211, 238, 0.14);
    border-color: rgba(34, 211, 238, 0.65);
    color: var(--accent);
    transform: translateY(-14px);
}

/* ── Menu hamburger ── */
.nav-toggle {
    cursor: pointer;
}

/* ── Dropdown langue ── */
.lang-dropdown-toggle {
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.lang-dropdown-toggle:hover:not(:disabled) {
    border-color: rgba(34, 211, 238, 0.75);
    box-shadow: 0 0 14px rgba(34, 211, 238, 0.22);
}

.lang-dropdown-toggle:disabled {
    opacity: 0.45;
    cursor: wait;
}

.lang-dropdown-toggle:focus-visible {
    outline: 2px solid rgba(34, 211, 238, 0.65);
    outline-offset: 2px;
}

.lang-dropdown-chevron {
    transition: transform 0.2s ease;
}

.lang-dropdown.is-open .lang-dropdown-chevron {
    transform: rotate(180deg);
}

.lang-btn {
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
}

.lang-btn:hover {
    color: #ffffff;
    border-color: #22d3ee;
    box-shadow: 0 0 10px rgba(34, 211, 238, 0.1);
}

.lang-btn.active {
    background: var(--lang-active-bg);
    border-color: var(--lang-toggle-border);
    color: var(--lang-active-text);
    box-shadow: 0 0 12px rgba(34, 211, 238, 0.16);
}

.lang-btn:disabled {
    opacity: 0.4;
    cursor: wait;
}

/* ── Navigation principale ── */
.main-nav a {
    transition: color 0.2s;
}

.main-nav a:hover {
    color: var(--text);
}

.main-nav a.active {
    color: var(--accent);
}

.main-nav a.active .nav-link-text {
    box-shadow: inset 0 -2px 0 var(--accent);
}

/* ── Boutons téléchargement / principaux ── */
.btn-download-nexus {
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn-download-nexus:hover {
    transform: translateY(-2px);
    border-color: rgba(34, 211, 238, 0.72);
    box-shadow: 0 0 22px rgba(34, 211, 238, 0.2), 0 6px 16px rgba(0, 0, 0, 0.28);
    color: var(--text);
}

.btn-primary {
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--btn-primary-bg-hover);
    border-color: var(--btn-primary-border-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 22px rgba(34, 211, 238, 0.2), 0 6px 16px rgba(0, 0, 0, 0.28);
    color: var(--text);
}

.btn-primary:disabled,
.btn-primary.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    pointer-events: none;
}

.btn-outline {
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.btn-outline:hover {
    background: rgba(124, 58, 237, 0.1);
    border-color: rgba(139, 92, 246, 0.58);
    transform: translateY(-2px);
    box-shadow:
        0 0 10px rgba(139, 92, 246, 0.08),
        0 4px 14px rgba(0, 0, 0, 0.22);
    color: var(--text);
}

.btn-submit {
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    cursor: pointer;
}

.btn-submit:hover {
    background: rgba(124, 58, 237, 0.1);
    border-color: rgba(139, 92, 246, 0.58);
    transform: translateY(-2px);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.08), 0 4px 14px rgba(0, 0, 0, 0.22);
}

/* ── Cartes cliquables / survol ── */
.feature-card,
.form-card,
.comment-card,
.teaser-box,
.screenshot-card {
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.feature-card:hover,
.comment-card:hover,
.teaser-box:hover {
    transform: translateY(-2px);
    border-color: rgba(34, 211, 238, 0.35);
}

/* ── Champs de formulaire ── */
input:not([type="checkbox"]),
textarea,
select {
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.25);
}

select {
    cursor: pointer;
}

.submission-panel select:hover,
.submission-panel select:focus {
    border-color: rgba(34, 211, 238, 0.55);
    box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.18);
    outline: none;
}

.submission-panel select {
    cursor: pointer;
}

.page-soumission .submission-select-toggle {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.page-soumission .submission-select-toggle:hover,
.page-soumission .submission-select-toggle:focus-visible,
.page-soumission .submission-select-custom.is-open .submission-select-toggle {
    border-color: rgba(34, 211, 238, 0.55);
    box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.18);
    outline: none;
}

.page-soumission .submission-select-option {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.15s ease, background 0.15s ease;
}

.page-soumission .submission-select-option:hover,
.page-soumission .submission-select-option:focus-visible {
    color: var(--text);
    background: var(--accent-soft);
    outline: none;
}

.page-soumission .submission-select-custom.is-open .submission-select-chevron {
    transform: translateY(-50%) rotate(180deg);
}

.page-soumission .submission-select-toggle.submission-field-invalid {
    border-color: rgba(252, 165, 165, 0.7) !important;
    box-shadow: 0 0 0 1px rgba(252, 165, 165, 0.18) !important;
}

/* ── Commentaires / liens secondaires ── */
.btn-translate-comment {
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.btn-translate-comment:disabled {
    opacity: 0.5;
    cursor: wait;
}

.project-see-also a {
    transition: color 0.2s ease;
}

.project-see-also a:hover {
    color: var(--accent);
}

.project-see-also__current {
    text-decoration: underline;
}

a.project-card-link {
    text-decoration: none;
}

/* ── Soumission ── */
#submissionStartBtn:not(:disabled) {
    cursor: pointer;
}

#submissionStartBtn:disabled {
    cursor: not-allowed;
}

/* ── Panneau thème ── */
.theme-drawer-panel {
    transition: max-width 0.25s ease, border-color 0.25s ease;
}

.theme-drawer-tab {
    cursor: pointer;
}

.theme-mode-btn {
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    cursor: pointer;
}

.theme-mode-btn:hover {
    color: var(--text);
    border-color: rgba(56, 80, 120, 0.45);
}

.theme-mode-btn.active {
    color: var(--accent);
    border-color: rgba(34, 211, 238, 0.45);
    background: var(--accent-soft);
}

/* ── Remonter en haut (visibilité + survol nuit) ── */
.site-back-top {
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.18s ease;
    visibility: hidden;
    pointer-events: none;
}

.site-back-top.is-visible {
    visibility: visible;
    pointer-events: auto;
}

.site-back-top-btn {
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
    cursor: pointer;
}

.site-back-top-btn:hover {
    background: rgba(16, 28, 48, 0.98);
    border-color: rgba(34, 211, 238, 0.62);
    box-shadow: 0 0 18px rgba(34, 211, 238, 0.24);
    transform: translateY(-1px);
}

/* ── Navigation mobile : langue / swipe ── */
@media (min-width: 641px) {
    .main-nav a.active .nav-link-text {
        box-shadow: inset 0 -2px 0 var(--accent);
    }
}

@media (max-width: 640px) {
    .mobile-swipe-hint {
        cursor: pointer;
        pointer-events: auto;
        -webkit-tap-highlight-color: transparent;
        transition: opacity 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

    .mobile-swipe-hint:hover,
    .mobile-swipe-hint:focus-visible {
        opacity: 1;
        color: var(--accent);
        background: transparent;
        border: none;
        box-shadow: none;
        outline: none;
    }

    .mobile-swipe-hint:active {
        opacity: 0.9;
        transform: translateY(-50%) scale(0.96);
    }

    @keyframes mobile-swipe-hint-intro {
        0%, 100% {
            opacity: 0.72;
            transform: translateY(-50%) scale(1);
        }
        50% {
            opacity: 1;
            transform: translateY(-50%) scale(1.08);
        }
    }

    .mobile-swipe-hint.is-intro:not([hidden]) {
        animation: mobile-swipe-hint-intro 0.9s ease-in-out 3;
    }

    @media (prefers-reduced-motion: reduce) {
        .mobile-swipe-hint.is-intro:not([hidden]) {
            animation: none;
        }
    }

    .main-nav .lang-dropdown--nav .lang-dropdown-toggle {
        background: transparent;
        border: none;
        box-shadow: none;
        color: var(--text-muted);
    }

    .main-nav .lang-dropdown--nav .lang-dropdown-toggle:hover:not(:disabled) {
        color: var(--text);
        border: none;
        box-shadow: none;
    }

    .main-nav .lang-dropdown--nav .lang-dropdown-menu {
        box-shadow: none;
    }
}

/* ── Thème jour : états interactifs soumission (couleurs) ── */
html[data-theme="day"] .page-soumission #submissionStartBtn:not(:disabled),
html[data-theme="auto"][data-theme-effective="day"] .page-soumission #submissionStartBtn:not(:disabled) {
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

html[data-theme="day"] .page-soumission #submissionStartBtn:not(:disabled):hover,
html[data-theme="auto"][data-theme-effective="day"] .page-soumission #submissionStartBtn:not(:disabled):hover {
    background: var(--btn-primary-bg-hover);
    border-color: var(--btn-primary-border-hover);
    color: var(--btn-primary-text-hover);
    box-shadow:
        0 0 18px rgba(34, 211, 238, 0.22),
        0 6px 16px rgba(12, 18, 34, 0.08);
}

html[data-theme="day"] .page-soumission #submissionStartBtn:not(:disabled):active,
html[data-theme="auto"][data-theme-effective="day"] .page-soumission #submissionStartBtn:not(:disabled):active {
    box-shadow:
        0 0 14px rgba(34, 211, 238, 0.16),
        0 3px 10px rgba(12, 18, 34, 0.06);
}

@media (max-width: 640px) {
    html[data-theme="day"] .page-soumission .submission-actions .btn-primary,
    html[data-theme="day"] .page-soumission .submission-actions .btn-outline,
    html[data-theme="auto"][data-theme-effective="day"] .page-soumission .submission-actions .btn-primary,
    html[data-theme="auto"][data-theme-effective="day"] .page-soumission .submission-actions .btn-outline {
        box-shadow:
            0 0 10px rgba(34, 211, 238, 0.06),
            0 3px 10px rgba(12, 18, 34, 0.05);
    }

    html[data-theme="day"] .page-soumission .submission-actions .btn-outline,
    html[data-theme="auto"][data-theme-effective="day"] .page-soumission .submission-actions .btn-outline {
        background: var(--btn-secondary-bg);
        border-color: var(--btn-secondary-border);
        color: var(--text);
        box-shadow:
            0 0 8px rgba(139, 92, 246, 0.06),
            0 2px 8px rgba(12, 18, 34, 0.05);
    }

    html[data-theme="day"] .page-soumission .submission-actions .btn-primary:hover,
    html[data-theme="auto"][data-theme-effective="day"] .page-soumission .submission-actions .btn-primary:hover {
        box-shadow:
            0 0 16px rgba(34, 211, 238, 0.18),
            0 4px 14px rgba(12, 18, 34, 0.07);
    }

    html[data-theme="day"] .page-soumission .submission-actions .btn-outline:hover,
    html[data-theme="auto"][data-theme-effective="day"] .page-soumission .submission-actions .btn-outline:hover {
        background: rgba(139, 92, 246, 0.08);
        box-shadow:
            0 0 12px rgba(139, 92, 246, 0.1),
            0 3px 12px rgba(12, 18, 34, 0.06);
    }

    html[data-theme="day"] .page-soumission #submissionStepConfirmation .btn-primary,
    html[data-theme="auto"][data-theme-effective="day"] .page-soumission #submissionStepConfirmation .btn-primary {
        box-shadow:
            0 0 10px rgba(34, 211, 238, 0.06),
            0 3px 10px rgba(12, 18, 34, 0.05);
    }
}

html[data-theme="day"] .btn-primary:hover,
html[data-theme="auto"][data-theme-effective="day"] .btn-primary:hover {
    background: var(--btn-primary-bg-hover);
    border-color: var(--btn-primary-border-hover);
    color: var(--btn-primary-text-hover);
    box-shadow:
        0 0 18px rgba(34, 211, 238, 0.22),
        0 6px 16px rgba(12, 18, 34, 0.08);
}

html[data-theme="day"] .btn-outline:hover,
html[data-theme="auto"][data-theme-effective="day"] .btn-outline:hover {
    background: rgba(139, 92, 246, 0.08);
    box-shadow:
        0 0 12px rgba(139, 92, 246, 0.1),
        0 4px 14px rgba(12, 18, 34, 0.06);
}

html[data-theme="day"] .lang-dropdown-toggle:hover:not(:disabled),
html[data-theme="auto"][data-theme-effective="day"] .lang-dropdown-toggle:hover:not(:disabled) {
    border-color: #22d3ee;
    box-shadow: 0 0 14px rgba(34, 211, 238, 0.14);
}

html[data-theme="day"] .main-nav .lang-dropdown--nav .lang-dropdown-toggle:hover:not(:disabled),
html[data-theme="auto"][data-theme-effective="day"] .main-nav .lang-dropdown--nav .lang-dropdown-toggle:hover:not(:disabled) {
    border-color: #22d3ee;
    color: var(--lang-toggle-text);
    box-shadow: 0 0 14px rgba(34, 211, 238, 0.14);
}

html[data-theme="day"] .lang-btn:hover,
html[data-theme="auto"][data-theme-effective="day"] .lang-btn:hover {
    color: #0c1222;
    background: #e8f7fb;
    border-color: #22d3ee;
    box-shadow: 0 0 10px rgba(34, 211, 238, 0.1);
}

html[data-theme-effective="day"] .site-back-top-btn:hover {
    background: rgba(232, 247, 251, 1);
    border-color: rgba(8, 145, 178, 0.55);
}