/* 4.2. Zone de recherche, connexion, utilisateur et contrôles header */
.search-login-container {
    grid-column: 3;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: clamp(8px, 2vw, 20px);
    gap: clamp(6px, 1.5vw, 15px);
}
.search-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px; /* espace entre icône et bouton */
}
.search-button {
    position: relative;
    color: var(--color-text);
    padding: 8px;
    background-color: #142736;
    border: 1px solid rgba(24, 180, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
.search-button:hover {
    background-color: #1c364b;
}
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 26, 34, 0.95);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    z-index: var(--z-index-search);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding-top: 100px;
}
.search-overlay.active {
    opacity: 1;
    visibility: visible;
}
.search-form-container {
    width: 90%;
    max-width: 750px;
    position: relative;
}
.search-form {
    position: relative;
    isolation: isolate;
    display: flex;
    gap: 10px;
    background: transparent;
    padding: 15px;
    border: none;
    clip-path: polygon(
        var(--cut-md) 0, 100% 0, 100% calc(100% - var(--cut-md)),
        calc(100% - var(--cut-md)) 100%, 0 100%, 0 var(--cut-md)
    );
}
.search-form::before,
.search-form::after {
    content: '';
    position: absolute;
    z-index: -1;
    clip-path: polygon(
        var(--cut-md) 0, 100% 0, 100% calc(100% - var(--cut-md)),
        calc(100% - var(--cut-md)) 100%, 0 100%, 0 var(--cut-md)
    );
}
.search-form::before {
    inset: 0;
    background: var(--color-accent);
}
.search-form::after {
    inset: 2px;
    background: #142736;
}
/* Live Search Results */
.live-search-results {
    margin-top: 8px;
    max-height: 60vh;
    overflow-y: auto;
    background: #142736;
    border: 1px solid rgba(119, 92, 49, 0.3);
    border-radius: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) transparent;
}
.ls-section { padding: 6px 0; }
.ls-section + .ls-section { border-top: 1px solid rgba(119, 92, 49, 0.2); }
.ls-label {
    padding: 8px 16px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    opacity: 0.8;
}
.ls-item {
    display: block;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--color-text);
    transition: background-color 0.15s ease;
    cursor: pointer;
}
.ls-item:hover, .ls-item.ls-active {
    background-color: rgba(119, 92, 49, 0.15);
}
.ls-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
}
.ls-excerpt {
    font-size: 0.8125rem;
    color: var(--color-text-secondary, #aaa);
    line-height: 1.5;
    margin-bottom: 3px;
}
.ls-date {
    font-size: 0.75rem;
    color: var(--color-text-secondary, #888);
    opacity: 0.7;
}
.ls-item mark {
    background: rgba(119, 92, 49, 0.3);
    color: var(--color-accent-light);
    padding: 0 2px;
    border-radius: 2px;
}
.ls-empty {
    padding: 24px 16px;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-secondary, #888);
}
.search-input::-webkit-search-cancel-button,
.search-input::-webkit-search-decoration {
    -webkit-appearance: none;
    appearance: none;
    display: none;
}

.search-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.125rem;
    padding: 0.3125rem 0.625rem;
    outline: none;
}
.search-input::placeholder {
    color: #999;
}
.search-submit,
.search-close {
    background: none;
    border: none;
    color: var(--color-accent);
    cursor: pointer;
    padding: 0.3125rem 0.625rem;
    font-size: 1.125rem;
    transition: color 0.3s ease;
}
.search-submit:hover,
.search-close:hover {
    color: var(--color-accent-light);
}

/* Login Button */
.login-button {
    white-space: nowrap;
    font-size: 1em;
    position: relative;
    color: var(--color-text);
    text-decoration: none;
    padding: 0.5rem 1rem;
    background: transparent;
    border: none;
    z-index: 1;
}
.login-button:before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--color-accent);
    background-image: linear-gradient(90deg, transparent 0%, #c9a84c 50%, transparent 100%);
    background-size: 200% 100%;
    background-position: 200% 0;
    z-index: -1;
    clip-path: polygon(
        var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)),
        calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm)
    );
    transition: background-position 0.5s ease;
}
.login-button:hover:before {
    background-position: -100% 0;
}
.login-button:after {
    content: '';
    position: absolute;
    inset: 2px;
    background: #142736;
    z-index: -1;
    clip-path: polygon(
        calc(var(--cut-sm) - 1px) 0, 100% 0, 100% calc(100% - var(--cut-sm) + 1px),
        calc(100% - var(--cut-sm) + 1px) 100%, 0 100%, 0 calc(var(--cut-sm) - 1px)
    );
}

/* Menu utilisateur */
.user-menu-container {
    position: relative;
}
.avatar-container {
    cursor: pointer;
    position: relative;
}
.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid transparent;
    background-color: #142736;
    transition: border-color 0.3s;
}
.user-avatar:hover {
    border-color: var(--color-accent);
}
.avatar-unread-counter {
    position: absolute;
    bottom: -5px;
    right: -5px;
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: #142736;
    padding: 8px 0;
    margin-top: 10px;
    min-width: 12.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.dropdown-menu:before {
    content: '';
    position: absolute;
    top: -5px;
    right: 20px;
    width: 10px;
    height: 10px;
    background-color: #142736;
    transform: rotate(45deg);
}
.menu-item {
    display: flex;
    align-items: center;
    padding: 0.625rem 1.25rem;
    color: var(--color-text);
    text-decoration: none;
    transition: background-color 0.3s;
    white-space: nowrap;
}
.menu-item i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}
.menu-item:hover {
    background-color: #1c364b;
}
.dropdown-menu .menu-item .unread-messages-counter {
    margin-left: 5px;
}

/* ===== SETTINGS PANEL ===== */
#settings-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: var(--header-height);
}
#settings-toggle {
  background: none;
  border: 1px solid rgba(119, 92, 49, 0.4);
  color: var(--color-accent);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
  font-size: 14px;
}
#settings-toggle:hover {
  background-color: rgba(119, 92, 49, 0.15);
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}
#settings-toggle[aria-expanded="true"] {
  background-color: rgba(119, 92, 49, 0.2);
  border-color: var(--color-accent-light);
}

.settings-panel {
  --sp-cut: 10px;
  position: fixed;
  top: var(--header-height);
  right: 10px;
  width: 240px;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  z-index: 9999;
  isolation: isolate;
}
.settings-panel::before,
.settings-panel::after {
  content: '';
  position: absolute;
  z-index: -1;
  clip-path: polygon(
    var(--sp-cut) 0, calc(100% - var(--sp-cut)) 0,
    100% var(--sp-cut), 100% calc(100% - var(--sp-cut)),
    calc(100% - var(--sp-cut)) 100%, var(--sp-cut) 100%,
    0 calc(100% - var(--sp-cut)), 0 var(--sp-cut)
  );
}
.settings-panel::before {
  inset: 0;
  background: var(--color-accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}
.settings-panel::after {
  inset: 1.5px;
  background: linear-gradient(180deg, #0d1f2d, #0a1820);
}
.settings-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.settings-section + .settings-section {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(119, 92, 49, 0.2);
}
.settings-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 10px;
  opacity: 0.8;
}
.settings-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Mute button inside panel */
.settings-sound #btn-mute {
  --btn-cut: 4px;
  position: relative;
  isolation: isolate;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  width: 32px;
  height: 32px;
  min-width: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: color 0.2s ease;
}
.settings-sound #btn-mute::before,
.settings-sound #btn-mute::after {
  content: '';
  position: absolute;
  z-index: -1;
  clip-path: polygon(
    var(--btn-cut) 0, calc(100% - var(--btn-cut)) 0,
    100% var(--btn-cut), 100% calc(100% - var(--btn-cut)),
    calc(100% - var(--btn-cut)) 100%, var(--btn-cut) 100%,
    0 calc(100% - var(--btn-cut)), 0 var(--btn-cut)
  );
}
.settings-sound #btn-mute::before {
  inset: 0;
  background: rgba(119, 92, 49, 0.4);
}
.settings-sound #btn-mute::after {
  inset: 1px;
  background: #0d1f2d;
  transition: background-color 0.2s ease;
}
.settings-sound #btn-mute:hover {
  color: var(--color-accent-light);
}
.settings-sound #btn-mute:hover::after {
  background-color: rgba(119, 92, 49, 0.12);
}

/* Shared slider style — fill is set dynamically via JS */
.settings-panel input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  min-width: 0;
  height: 4px;
  border: none;
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  background: linear-gradient(
    90deg,
    var(--color-accent) 0%,
    var(--color-accent) var(--slider-fill, 100%),
    rgba(119, 92, 49, 0.15) var(--slider-fill, 100%),
    rgba(119, 92, 49, 0.15) 100%
  );
}
.settings-panel input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: #e0d6c2;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  cursor: pointer;
  filter: drop-shadow(0 0 3px rgba(201, 168, 76, 0.6));
}
.settings-panel input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: #e0d6c2;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  border: none;
  cursor: pointer;
  filter: drop-shadow(0 0 3px rgba(201, 168, 76, 0.6));
}
.settings-panel input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
}
.settings-panel input[type="range"]::-moz-range-track {
  height: 4px;
  background: rgba(119, 92, 49, 0.15);
  border: none;
  border-radius: 2px;
}
.settings-panel input[type="range"]::-moz-range-progress {
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* Text size buttons (A- / A+) */
#text-size-down,
#text-size-up {
  --btn-cut: 3px;
  position: relative;
  isolation: isolate;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  width: 28px;
  height: 28px;
  min-width: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  transition: color 0.2s ease;
}
#text-size-down::before,
#text-size-down::after,
#text-size-up::before,
#text-size-up::after {
  content: '';
  position: absolute;
  z-index: -1;
  clip-path: polygon(
    var(--btn-cut) 0, calc(100% - var(--btn-cut)) 0,
    100% var(--btn-cut), 100% calc(100% - var(--btn-cut)),
    calc(100% - var(--btn-cut)) 100%, var(--btn-cut) 100%,
    0 calc(100% - var(--btn-cut)), 0 var(--btn-cut)
  );
}
#text-size-down::before,
#text-size-up::before {
  inset: 0;
  background: rgba(119, 92, 49, 0.4);
}
#text-size-down::after,
#text-size-up::after {
  inset: 1px;
  background: #0d1f2d;
  transition: background-color 0.2s ease;
}
#text-size-down:hover,
#text-size-up:hover {
  color: var(--color-accent-light);
}
#text-size-down:hover::after,
#text-size-up:hover::after {
  background-color: rgba(119, 92, 49, 0.12);
}

.settings-text-size-value {
  text-align: center;
  font-size: 11px;
  color: var(--color-text-secondary, #aaa);
  margin-top: 6px;
  letter-spacing: 1px;
  font-weight: 600;
}

/* ===== REACTOR TOGGLE ===== */
@keyframes reactor-icon-exit {
    0% { transform: scale(1) rotate(0deg); opacity: 1; }
    100% { transform: scale(0) rotate(180deg); opacity: 0; }
}
@keyframes reactor-icon-enter {
    0% { transform: scale(0) rotate(-180deg); opacity: 0; }
    100% { transform: scale(1) rotate(0deg); opacity: 1; }
}
@keyframes reactor-energy-sweep {
    0% { transform: scaleX(0); opacity: 0; }
    30% { transform: scaleX(1); opacity: 0.7; }
    100% { transform: scaleX(1); opacity: 0; }
}
@keyframes reactor-glow-pulse {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.5; }
}

#theme-toggle-button.theme-switch {
    --reactor-cut: 8px;
    --reactor-inner-cut: 6px;
    --reactor-glow: var(--color-energy);
    --reactor-bg: #0d1f2b;
    --hex-stroke: #00eaff;
    --hex-glow: rgba(0, 234, 255, 0.6);
    display: inline-flex;
    align-items: center;
    width: 110px;
    height: 40px;
    cursor: pointer;
    position: relative;
    box-sizing: border-box;
    flex-shrink: 0;
    background: linear-gradient(
        135deg,
        #bf953f 0%,
        #fcf6ba 25%,
        #b38728 50%,
        #fbf5b7 75%,
        #aa771c 100%
    );
    border: none;
    border-radius: 0;
    padding: 0;
    overflow: hidden;
    clip-path: polygon(
        var(--reactor-cut) 0, calc(100% - var(--reactor-cut)) 0,
        100% var(--reactor-cut), 100% calc(100% - var(--reactor-cut)),
        calc(100% - var(--reactor-cut)) 100%, var(--reactor-cut) 100%,
        0 calc(100% - var(--reactor-cut)), 0 var(--reactor-cut)
    );
    transition: none;
}
#theme-toggle-button.theme-switch::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: var(--reactor-bg);
    clip-path: polygon(
        var(--reactor-inner-cut) 0, calc(100% - var(--reactor-inner-cut)) 0,
        100% var(--reactor-inner-cut), 100% calc(100% - var(--reactor-inner-cut)),
        calc(100% - var(--reactor-inner-cut)) 100%, var(--reactor-inner-cut) 100%,
        0 calc(100% - var(--reactor-inner-cut)), 0 var(--reactor-inner-cut)
    );
    z-index: 1;
}
.reactor-glow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--reactor-glow) 0%, transparent 70%);
    z-index: 2;
    pointer-events: none;
    transition: left 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: reactor-glow-pulse 3s ease-in-out infinite;
}
.reactor-energy-trail {
    position: absolute;
    top: calc(50% - 1px);
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--reactor-glow) 30%, var(--reactor-glow) 70%, transparent);
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    border-radius: 1px;
}
.theme-switch-thumb {
    width: 32px;
    height: 32px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: left 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
}
.hex-border {
    position: absolute;
    inset: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.hex-border svg {
    width: 100%;
    height: 100%;
    overflow: visible;
    filter: drop-shadow(0 0 3px var(--hex-glow));
    transition: filter 0.4s ease;
}
.hex-border polygon {
    fill: none;
    stroke: var(--hex-stroke);
    stroke-width: 3;
    transition: stroke 0.4s ease;
}
.theme-switch-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    z-index: 1;
    transition: color 0.4s ease;
}
.theme-switch-icon svg {
    width: 14px;
    height: 14px;
    display: block;
    filter: drop-shadow(0 0 2px currentColor);
}
.theme-switch-label {
    position: relative;
    z-index: 2;
    width: 100%;
    font-size: 0.5625rem;
    font-family: 'Arial', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    user-select: none;
    transition: color 0.3s ease;
    line-height: 40px;
    box-sizing: border-box;
}

/* --- Dark active --- */
#theme-toggle-button.theme-switch.dark-active .theme-switch-thumb {
    left: 4px;
}
#theme-toggle-button.theme-switch.dark-active .theme-switch-icon {
    color: #00eaff;
}
#theme-toggle-button.theme-switch.dark-active .reactor-glow {
    left: 0;
}
#theme-toggle-button.theme-switch.dark-active .theme-switch-label {
    color: rgba(0, 234, 255, 0.5);
    text-align: right;
    padding-right: 10px;
    padding-left: 40px;
}

/* --- Light active --- */
#theme-toggle-button.theme-switch.light-active {
    --reactor-bg: #f0e6d6;
    --reactor-glow: rgba(255, 180, 40, 0.9);
    --hex-stroke: #c9a84c;
    --hex-glow: rgba(230, 160, 30, 0.7);
}
#theme-toggle-button.theme-switch.light-active .theme-switch-thumb {
    left: calc(100% - 32px - 4px);
}
#theme-toggle-button.theme-switch.light-active .theme-switch-icon {
    color: #e8820c;
}
#theme-toggle-button.theme-switch.light-active .reactor-glow {
    left: calc(100% - 36px);
}
#theme-toggle-button.theme-switch.light-active .theme-switch-label {
    color: rgba(180, 120, 30, 0.7);
    text-align: left;
    padding-left: 10px;
    padding-right: 40px;
}

/* --- Reactor transition animation --- */
.theme-switch-icon.reactor-icon-exiting svg {
    animation: reactor-icon-exit 0.2s ease-in forwards;
}
.theme-switch-icon.reactor-icon-entering svg {
    animation: reactor-icon-enter 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}
#theme-toggle-button.theme-switch.reactor-transitioning .reactor-energy-trail {
    animation: reactor-energy-sweep 0.5s ease-out forwards;
}