/* ============================================================
   LINK — Design System v2
   Dark Space · Amber × Violet · Glassmorphism
   ============================================================ */

:root {
    /* Canvas */
    --canvas:          #060913;
    --bg:              #0a0e1a;
    --bg-elevated:     #0f172a;

    /* Surfaces glassmorphism */
    --surface-base:    rgba(15,23,42,0.70);
    --surface-card:    rgba(255,255,255,0.03);
    --surface-hover:   rgba(255,255,255,0.06);
    --surface-active:  rgba(255,255,255,0.09);
    --card-bg:         #0f172a;

    /* Text */
    --text:            #f8fafc;
    --text-secondary:  #cbd5e1;
    --text-dim:        rgba(203,213,225,0.5);
    --text-muted:      rgba(100,116,139,0.9);

    /* Amber — éphémère, actions directes */
    --primary:        #f59e0b;
    --primary-dim:    rgba(245,158,11,0.12);
    --primary-border: rgba(245,158,11,0.30);
    --primary-glow:   rgba(245,158,11,0.15);

    /* Violet — identité cryptographique, contacts de confiance */
    --violet:         #8b5cf6;
    --violet-text:    #a78bfa;
    --violet-dim:     rgba(139,92,246,0.10);
    --violet-border:  rgba(139,92,246,0.22);
    --violet-glow:    rgba(139,92,246,0.12);

    /* Semantic */
    --success:        #10b981;
    --danger:         #ef4444;
    --info:           #3b82f6;
    --secondary-bg:   rgba(255,255,255,0.05);

    /* Borders */
    --border:         rgba(255,255,255,0.07);
    --border-strong:  rgba(255,255,255,0.14);

    /* Radius */
    --r-xs:   6px;
    --r-sm:   8px;
    --r-md:   12px;
    --r-lg:   16px;
    --r-xl:   20px;
    --r-2xl:  24px;
    --r-full: 999px;

    /* Spacing */
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-6: 24px;
    --sp-8: 32px;

    /* Typo */
    --font:      'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', ui-monospace, monospace;

    /* Transitions */
    --t-fast:   120ms cubic-bezier(0.25, 1, 0.5, 1);
    --t-base:   200ms cubic-bezier(0.25, 1, 0.5, 1);
    --t-spring: 280ms cubic-bezier(0.32, 0.94, 0.60, 1);
    --t-enter:  320ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* === RESET ======================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* === BODY ========================================================= */
body {
    background-color: var(--canvas);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -5%,  rgba(139,92,246,0.07)  0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 15% 100%, rgba(245,158,11,0.06)  0%, transparent 50%),
        radial-gradient(ellipse 50% 35% at 90% 80%,  rgba(15,23,42,0.8)     0%, transparent 55%);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    margin: 0;
    overflow-y: auto;
}

/* Ambient desktop glow — mode violet (contacts) */
body[data-mode="contacts"] {
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -5%,  rgba(139,92,246,0.12)  0%, transparent 60%),
        radial-gradient(ellipse 40% 30% at 15% 100%, rgba(139,92,246,0.05)  0%, transparent 50%),
        radial-gradient(ellipse 50% 35% at 90% 80%,  rgba(15,23,42,0.8)     0%, transparent 55%);
}

/* Ambient desktop glow — mode amber (transfert) */
body[data-mode="transfer"] {
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -5%,  rgba(245,158,11,0.08)  0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 15% 100%, rgba(245,158,11,0.08)  0%, transparent 50%),
        radial-gradient(ellipse 50% 35% at 90% 80%,  rgba(15,23,42,0.8)     0%, transparent 55%);
    transition: background 0.6s ease;
}

/* === CONTAINER ==================================================== */
.container {
    text-align: center;
    width: 92%;
    max-width: 420px;
    background: rgba(10,14,26,0.93);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 1.75rem 1.75rem 2.25rem;
    border-radius: var(--r-2xl);
    border: 1px solid rgba(255,255,255,0.07);
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.03) inset,
        0 32px 64px rgba(0,0,0,0.55),
        0 4px 16px rgba(0,0,0,0.35);
    margin: 20px auto;
    position: relative;
    overflow: hidden;
}

/* Shimmer top border */
.container::before {
    content: '';
    position: absolute;
    top: 0; left: 10%; right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
    pointer-events: none;
}

/* === TYPOGRAPHIE ================================================== */
h1 {
    font-size: clamp(2.6rem, 9vw, 3.5rem);
    font-weight: 900;
    margin: 0 0 0.3rem;
    letter-spacing: -3px;
    line-height: 1;
    background: linear-gradient(145deg, #fff 0%, rgba(241,245,249,0.45) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

p {
    color: var(--text-dim);
    margin: 0 0 1.75rem;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.25px;
}

/* === BOUTONS ====================================================== */
button, .button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    min-height: 48px;
    padding: 0.8rem 1rem;
    margin-bottom: 0.6rem;
    border: 1px solid transparent;
    border-radius: var(--r-lg);
    font-family: var(--font);
    font-size: 0.93rem;
    font-weight: 600;
    letter-spacing: 0.1px;
    cursor: pointer;
    user-select: none;
    position: relative;
    overflow: hidden;
    transition:
        transform    var(--t-fast),
        opacity      var(--t-fast),
        background   var(--t-base),
        border-color var(--t-base),
        box-shadow   var(--t-base);
}

button:hover           { opacity: 0.9; }
button:active          { transform: scale(0.965); opacity: 0.82; }
button:disabled        { opacity: 0.28; cursor: not-allowed; transform: none !important; pointer-events: none; }
button:focus-visible   { outline: 2px solid var(--primary); outline-offset: 3px; }

/* Primaire — amber */
.primary {
    background: var(--primary-dim);
    color: var(--primary);
    border-color: var(--primary-border);
}
.primary:hover {
    background: rgba(245,158,11,0.20);
    border-color: rgba(245,158,11,0.48);
    box-shadow: 0 4px 16px rgba(245,158,11,0.10);
}

/* Secondaire */
.secondary {
    background: var(--secondary-bg);
    color: var(--text);
    border-color: var(--border);
}
.secondary:hover {
    background: rgba(255,255,255,0.09);
    border-color: var(--border-strong);
}

/* === SÉLECTEUR LANGUE ============================================= */
#lang-selector {
    display: flex;
    justify-content: flex-end;
    gap: 4px;
    margin-bottom: 10px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    color: var(--text-dim);
    font-family: var(--font);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    min-height: 26px;
    cursor: pointer;
    transition: all var(--t-fast);
    margin-bottom: 0;
    width: auto;
    display: inline-flex;
}
.lang-btn:hover  { background: rgba(255,255,255,0.07); color: var(--text); border-color: var(--border-strong); transform: none; }
.lang-btn:active { transform: none; }
.lang-btn.lang-active { background: var(--primary-dim); border-color: var(--primary-border); color: var(--primary); }

body.in-vc #lang-selector { display: none; }

/* === CARDS MODE HOME ============================================== */
.mode-section { margin-bottom: 4px; }

/* --- Mes Liens (violet / identité) --- */
.mode-contacts-card {
    background: rgba(139,92,246,0.07);
    border: 1px solid rgba(139,92,246,0.20);
    border-radius: var(--r-lg);
    padding: 16px 16px 12px;
    margin-bottom: 4px;
    cursor: pointer;
    transition:
        background var(--t-base),
        border-color var(--t-base),
        transform var(--t-spring),
        box-shadow var(--t-base);
    text-align: left;
    position: relative;
    overflow: hidden;
}

.mode-contacts-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(139,92,246,0.35), transparent);
}

.mode-contacts-card:hover {
    background: rgba(139,92,246,0.12);
    border-color: rgba(139,92,246,0.35);
    box-shadow: 0 8px 24px rgba(139,92,246,0.08);
}
.mode-contacts-card:active { transform: scale(0.985); }

/* --- À la volée (amber / éphémère) --- */
.mode-direct-card {
    background: rgba(255,255,255,0.025);
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: var(--r-lg);
    padding: 16px 16px 8px;
    margin-bottom: 4px;
    transition: background var(--t-base), border-color var(--t-base);
    position: relative;
    overflow: hidden;
}

.mode-direct-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245,158,11,0.25), transparent);
}

/* --- Card header commun --- */
.mode-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.mode-card-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mode-card-icon--violet {
    background: var(--violet-dim);
    border: 1px solid var(--violet-border);
    color: var(--violet-text);
}

.mode-card-icon--amber {
    background: var(--primary-dim);
    border: 1px solid var(--primary-border);
    color: var(--primary);
}

.mode-card-title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.2px;
    flex: 1;
}

.mode-card-title--violet { color: var(--violet-text); }
.mode-card-title--amber  { color: var(--primary); }

.mode-card-arrow {
    color: rgba(255,255,255,0.25);
    font-size: 1rem;
    line-height: 1;
}

/* --- Description --- */
.mode-contacts-desc, .mode-desc {
    font-size: 0.82rem;
    color: var(--text-dim);
    margin: 0 0 10px;
    line-height: 1.55;
    text-align: left;
    text-transform: none;
    letter-spacing: 0;
}

.mode-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 4px;
    text-align: left;
}

/* --- Divider --- */
.mode-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
    color: var(--text-muted);
    font-size: 0.72rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.mode-divider::before,
.mode-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* === ZONE DE TRANSFERT =========================================== */
#transfer-zone { padding: 2px 0; }

#status {
    font-size: 0.93rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    padding: 14px 16px;
    border-radius: var(--r-md);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    color: var(--text-dim);
}

#file-input {
    background: rgba(245,158,11,0.05);
    border: 2px dashed var(--primary-border);
    padding: 1.75rem 1rem;
    border-radius: var(--r-lg);
    margin-bottom: 1.25rem;
    width: 100%;
    color: var(--text-dim);
    font-size: 0.88rem;
    cursor: pointer;
    transition: border-color var(--t-base), background var(--t-base);
    display: flex;
    align-items: center;
    justify-content: center;
}
#file-input:hover { border-color: rgba(245,158,11,0.55); background: rgba(245,158,11,0.09); }

/* === BARRE DE PROGRESSION ======================================== */
.progress-wrap {
    margin-bottom: 4px;
}

.progress-bar-track {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.06);
    border-radius: var(--r-full);
    overflow: hidden;
    margin: 10px 0 6px;
}

.progress-bar-fill {
    height: 100%;
    border-radius: var(--r-full);
    background: linear-gradient(90deg, var(--primary), rgba(245,158,11,0.7));
    transition: width 0.4s ease;
    position: relative;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 40px; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4));
    border-radius: var(--r-full);
}

.progress-bar-fill--success {
    background: linear-gradient(90deg, var(--success), rgba(16,185,129,0.7));
}

/* Stats de transfert */
.transfer-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-top: 8px;
}

.transfer-stat {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 8px 10px;
    text-align: left;
}

.transfer-stat-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.transfer-stat-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

/* === BANNIÈRE APPEL ENTRANT ====================================== */
#contact-invite-bar { animation: fade-in 0.22s ease; }

/* === ANIMATIONS ================================================== */
@keyframes fade-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes sheet-up {
    from { transform: translateY(32px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}
@keyframes modal-fade {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes pulse-warn {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.62; }
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0); }
    50%       { box-shadow: 0 0 0 4px rgba(245,158,11,0.12); }
}
@keyframes panelSlideInRight {
    from { opacity: 0; transform: translateX(24px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes panelSlideOutRight {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(24px); }
}
@keyframes panelSlideInLeft {
    from { opacity: 0; transform: translateX(-24px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes panelSlideOutLeft {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(-24px); }
}
@keyframes expandFromCard {
    0%   { opacity: 0; transform: scale(0.96) translateY(6px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes collapseToCard {
    0%   { opacity: 1; transform: scale(1) translateY(0); }
    100% { opacity: 0; transform: scale(0.96) translateY(6px); }
}
@keyframes panelFadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes sheetSlideUp {
    from { opacity: 0; transform: translateY(100%); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes progressComplete {
    0%   { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
    40%  { box-shadow: 0 0 0 6px rgba(16,185,129,0.25); }
    100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
}

/* Animation classes */
.anim-slide-right { animation: panelSlideInRight  0.28s var(--t-spring) both; }
.anim-slide-left  { animation: panelSlideInLeft   0.28s var(--t-spring) both; }
.anim-fade-up     { animation: panelFadeUp        0.26s var(--t-spring) both; }
.anim-fade        { animation: fadeIn             0.20s ease both; }
.anim-expand      { animation: expandFromCard     0.30s cubic-bezier(0.16, 1, 0.3, 1) both; }
.anim-collapse    { animation: collapseToCard     0.22s cubic-bezier(0.16, 1, 0.3, 1) both; }

/* Modals */
#contact-card-modal          { animation: modal-fade 0.18s ease; }
#contact-card-modal > div    { animation: sheet-up  0.26s cubic-bezier(0.34, 1.4, 0.64, 1); }
#passphrase-modal            { animation: modal-fade 0.18s ease; }
#passphrase-modal > div      { animation: sheet-up  0.24s cubic-bezier(0.34, 1.4, 0.64, 1); }

.pause-animation {
    animation: pulse-warn 2.5s infinite ease-in-out;
    background: rgba(245,158,11,0.07);
    padding: 16px;
    border-radius: var(--r-md);
    border: 1px solid rgba(245,158,11,0.18);
    color: var(--primary);
    line-height: 1.6;
}

/* === SÉLECTEUR SONNERIE =========================================== */
.ringtone-opt { cursor: pointer; display: block; }

.ringtone-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border-radius: var(--r-sm);
    border: 1px solid transparent;
    transition: background var(--t-fast), border-color var(--t-fast);
    gap: 10px;
}

.ringtone-opt:has(input:checked) .ringtone-row {
    background: var(--primary-dim);
    border-color: var(--primary-border);
}

.ringtone-row:hover { background: rgba(255,255,255,0.04); }

/* === BOUTONS COMPACTS ============================================= */
#btn-close-contacts,
#btn-cancel-transfer,
#btn-cancel-add,
#modal-cancel,
#modal-confirm {
    width: auto;
    min-height: 36px;
    padding: 6px 14px;
    font-size: 0.82rem;
    margin-bottom: 0;
}

#btn-close-contacts {
    background: none;
    border-color: transparent;
    color: var(--text-dim);
    font-size: 1.1rem;
    padding: 4px 8px;
    min-height: 32px;
}
#btn-close-contacts:hover {
    background: rgba(255,255,255,0.07);
    border-color: var(--border);
    color: var(--text);
}

/* === WORKSPACE SLIDER ============================================= */
#workspace {
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    background: rgba(255,255,255,0.02);
    margin-bottom: 4px;
}

#workspace-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: rgba(255,255,255,0.025);
    border-bottom: 1px solid var(--border);
}

.ws-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 11px 14px;
    font-size: 0.83rem;
    font-weight: 700;
    letter-spacing: 0.1px;
    border: none;
    background: none;
    cursor: pointer;
    width: 100%;
    min-height: 42px;
    margin: 0;
    border-radius: 0;
    color: var(--text-muted);
    transition: background var(--t-base), color var(--t-base);
}
.ws-tab:active { transform: none; }

.ws-tab--violet.ws-tab--active { color: var(--violet-text);  background: rgba(139,92,246,0.09); }
.ws-tab--amber.ws-tab--active  { color: var(--primary);       background: rgba(245,158,11,0.07); }

#workspace-indicator {
    height: 2px;
    background: rgba(255,255,255,0.05);
    position: relative;
}

#workspace-indicator-thumb {
    position: absolute;
    top: 0; left: 0;
    height: 100%;
    width: 50%;
    border-radius: var(--r-full);
    transition: transform var(--t-spring), background var(--t-base);
}
#workspace-indicator-thumb.ws-indicator--amber  { background: var(--primary); transform: translateX(0); }
#workspace-indicator-thumb.ws-indicator--violet { background: var(--violet);  transform: translateX(100%); }

#workspace-viewport { overflow: hidden; }

#workspace-track {
    display: flex;
    width: 200%;
    will-change: transform;
    transition: transform var(--t-spring);
}
#workspace-track.ws-show-links { transform: translateX(-50%); }

.ws-panel {
    width: 50%;
    padding: 14px 14px 10px;
    flex-shrink: 0;
    box-sizing: border-box;
}

.ws-panel-desc {
    font-size: 0.82rem;
    color: var(--text-dim);
    margin: 0 0 11px;
    line-height: 1.55;
    text-align: left;
}

/* === CONTACTS ==================================================== */
#contacts-list > div { transition: background var(--t-fast), border-color var(--t-fast); }

/* === FOOTER ====================================================== */
footer {
    margin-top: 1.75rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    line-height: 2.2;
}

/* === CHAT ======================================================== */
#chat-messages::-webkit-scrollbar       { width: 3px; }
#chat-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 6px; }
#chat-input:focus,
#vc-chat-input:focus {
    border-color: var(--primary-border) !important;
    background: rgba(255,255,255,0.08) !important;
    outline: none;
}

/* === CONTRÔLES VIDEO ============================================= */
#vc-controls button {
    margin-bottom: 0;
    min-height: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* Auto-hide contrôles : disparaissent après 3s, réapparaissent au toucher */
#vc-controls { z-index: 20; }
#vc-controls, #vc-call-duration, #btn-toggle-quality { transition: opacity 0.25s ease; }
#vc-remote-wrap.controls-hidden #vc-controls,
#vc-remote-wrap.controls-hidden #vc-call-duration,
#vc-remote-wrap.controls-hidden #btn-toggle-quality {
    opacity: 0;
    pointer-events: none;
}
/* Le bouton raccrocher reste toujours cliquable même quand les contrôles sont cachés */
#vc-remote-wrap.controls-hidden #btn-hangup-vc {
    pointer-events: auto;
    opacity: 0.6;
}

/* Bouton qualité vidéo (HD/SD) en haut à droite */
#btn-toggle-quality {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(15, 23, 42, 0.6) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: #fff;
    width: 44px;
    height: 44px;
    cursor: pointer;
    z-index: 11;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
    flex-shrink: 0;
    transition: opacity 0.25s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

#btn-toggle-quality:hover {
    background: rgba(15, 23, 42, 0.8) !important;
    border-color: rgba(255, 255, 255, 0.4);
    transform: scale(1.06);
}

#btn-toggle-quality:active {
    transform: scale(0.94);
}

/* Pseudo-fullscreen : empêcher le scroll/débordement pendant l'appel plein écran */
body.vc-fullscreen-active { overflow: hidden; }

/* === CHAT HORS VIDÉO ============================================= */
/* Les contraintes de hauteur vidéo sont gérées en JS (inline styles) */
#vc-chat-area { flex-direction: column; }
#vc-chat-messages { min-height: 0; }
body.in-vc footer { display: none !important; }

.vc-thumbnail {
    position: absolute !important;
    top: 8px; right: 8px;
    width: 80px !important;
    height: auto;
    border-radius: var(--r-sm);
    background: #111;
    z-index: 10;
    border: 2px solid rgba(139,92,246,0.8);
    box-shadow: 0 4px 20px rgba(0,0,0,0.7), 0 0 8px rgba(139,92,246,0.25);
}

#vc-local {
    border: 2px solid rgba(139,92,246,0.8) !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.7), 0 0 8px rgba(139,92,246,0.25) !important;
}

/* === SCROLLBARS ================================================== */
::-webkit-scrollbar       { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* === MODE APPEL VIDEO ============================================ */
body.in-vc { overflow: hidden; }
body.in-vc h1,
body.in-vc p { display: none !important; }
body.in-vc .container {
    height: 100dvh !important;
    max-height: 100dvh !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    box-sizing: border-box !important;
    margin: 0 auto !important;
    padding: 12px !important;
}
body.in-vc #vc-zone {
    flex: 1 !important;
    min-height: 0 !important;
    display: flex !important;
    flex-direction: column !important;
}
body.in-vc #vc-remote-wrap {
    flex: 1 !important;
    min-height: 0 !important;
    max-height: none !important;
}
body.in-vc #vc-remote,
body.in-vc #vc-screen {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
}

/* === MOBILE ====================================================== */
@media (max-width: 480px) {
    button, .button { min-height: 52px; font-size: 0.95rem; }

    body.in-vc .container {
        width: 100% !important;
        height: 100dvh !important;
        max-width: none !important;
        border-radius: 0 !important;
        padding: 12px !important;
        margin: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: space-between !important;
        box-shadow: none !important;
        border: none !important;
        background: var(--bg) !important;
    }
    body.in-vc h1,
    body.in-vc p { display: none !important; }
    body.in-vc #vc-zone {
        flex: 1 !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: space-between !important;
        min-height: 0 !important;
    }
    body.in-vc #vc-remote-wrap {
        flex: 1 !important;
        min-height: 0 !important;
        margin-bottom: 12px !important;
    }
    body.in-vc #vc-controls {
        justify-content: center !important;
        gap: 6px !important;
    }
    body.in-vc #vc-controls > div {
        display: none !important;
    }
}

/* === ACCESSIBILITÉ =============================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* --- ICON STYLES & MICRO-ANIMATIONS --- */
.icon-svg {
    display: inline-block;
    vertical-align: middle;
    transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275), filter 0.2s ease, stroke-width 0.2s ease;
    stroke-width: 1.8px;
}

/* 1. Trombone Hover */
button:hover .icon-paperclip,
#btn-vc-send-file:hover .icon-paperclip {
    transform: rotate(15deg) scale(1.1);
}

/* 2. Lien Hover */
button:hover .icon-link,
#btn-contacts:hover .icon-link {
    transform: rotate(-10deg) scale(1.1);
}

/* 3. Eclair Glow + Flicker */
.ws-tab--active .icon-bolt {
    filter: drop-shadow(0 0 4px #f59e0b);
    animation: bolt-flicker 2s infinite ease-in-out;
}
@keyframes bolt-flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* 4. Engrenage Rotation */
#btn-settings:hover .icon-settings {
    transform: rotate(90deg);
}

/* 5. Volume Ondes */
@keyframes sound-wave-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}
#btn-mute:hover .sound-wave {
    animation: sound-wave-pulse 1s infinite;
}

/* 7. Micro Ondes */
#btn-audio-call:hover .icon-mic,
#cc-audio:hover .icon-mic {
    animation: mic-bounce 0.6s infinite alternate;
}
@keyframes mic-bounce {
    0% { transform: translateY(0); }
    100% { transform: translateY(-2px); }
}

/* 8. Dossier Ouvert */
#btn-send-folder:hover .icon-folder,
#cc-folder:hover .icon-folder {
    transform: skewX(-5deg) scale(1.05);
}

/* 9. Recevoir - Flèche descendante */
button:hover .icon-receive .arrow-head,
button:hover .icon-receive .arrow-shaft {
    animation: arrow-slide 1s infinite ease-in-out;
}
@keyframes arrow-slide {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(2px); }
}

/* 10. Poubelle Couvercle */
.btn-delete-contact:hover .icon-trash .trash-lid,
#cc-delete:hover .icon-trash .trash-lid {
    transform: translateY(-2px) rotate(-3deg);
    transition: transform 0.2s ease;
}
.icon-trash .trash-lid {
    transform-origin: 3px 6px;
    transition: transform 0.2s ease;
}

/* Désactive le containing block parasite lié au backdrop-filter pendant le plein écran */
body.vc-fullscreen-active .container {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}