/* ============================================================
   Design tokens - "Fourmic Civilization"
   Warm soil/amber palette (pheromone-trail gold, moss growth,
   clay-red alert) instead of the generic dark-grey/olive-drab
   game-UI default. Every color/spacing/shadow value below is
   referenced by name elsewhere in this file - change it once here.
   ============================================================ */
:root {
    /* Surfaces */
    --ui-bg: rgba(28, 22, 15, 0.88);
    --ui-bg-solid: #1c160f;
    --ui-bg-raised: rgba(41, 32, 21, 0.94);
    --ui-bg-input: #2a2117;

    /* Borders / dividers */
    --ui-border: #8a6a3a;
    --ui-border-soft: rgba(138, 106, 58, 0.45);

    /* Text */
    --ui-text: #f1e6d2;
    --ui-text-muted: #c7b799;
    --ui-text-faint: #9c8b6d;

    /* Accent - resin amber, the pheromone-trail color, used for
       anything interactive/primary */
    --ui-accent: #d99a2b;
    --ui-accent-strong: #b97416;
    --ui-accent-soft: rgba(217, 154, 43, 0.18);

    /* Semantic colors - distinct from the accent on purpose */
    --ui-success: #6f9a44;
    --ui-success-strong: #557933;
    --ui-danger: #c1452f;
    --ui-danger-strong: #9c3623;
    --ui-warning: #d9c22b;

    /* Shadows */
    --ui-shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.35);
    --ui-shadow-md: 0 4px 14px rgba(0, 0, 0, 0.45);
    --ui-shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.55);

    /* Spacing scale */
    --ui-space-1: 4px;
    --ui-space-2: 8px;
    --ui-space-3: 12px;
    --ui-space-4: 16px;
    --ui-space-5: 24px;

    /* Radii */
    --ui-radius-sm: 6px;
    --ui-radius-md: 10px;
    --ui-radius-lg: 14px;

    /* Type */
    --ui-font-display: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
    --ui-font-body: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --ui-font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

    /* Motion */
    --ui-ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* Animations */
@keyframes pulse {
    0% { opacity: 0.55; }
    50% { opacity: 1; }
    100% { opacity: 0.55; }
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
@keyframes pop {
    0% { transform: scale(1); }
    45% { transform: scale(1.18); color: var(--ui-accent); }
    100% { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* Style général pour la page */
body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--ui-font-body);
    color: var(--ui-text);
    background-color: var(--ui-bg-solid);
}

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

/* Conteneur principal */
#app {
    display: flex;
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

/* Conteneur de jeu (Phaser) */
#game-container {
    width: 100%;
    height: 100%;
    background-color: #000;
    position: relative;
}

/* Conteneur de l'UI */
#ui-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* l'UI ne doit pas bloquer les interactions avec le jeu derrière */
}

#ui-container * {
    pointer-events: auto;
}

.ui-element {
    position: absolute;
    box-sizing: border-box;
}

.ui-element.centered {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Style général pour les panels */
.panel {
    background-color: var(--ui-bg);
    border: 1px solid var(--ui-border-soft);
    padding: var(--ui-space-4);
    border-radius: var(--ui-radius-md);
    box-shadow: var(--ui-shadow-md);
    color: var(--ui-text);
    max-width: 90%;
    max-height: 90%;
    overflow: auto;
    backdrop-filter: blur(6px);
}

.panel.popup-style {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
}

/* Icônes SVG inline - remplace les <img> vers des assets qui n'existaient
   pas (assets/icons/*.png, assets/img/*.png). currentColor les fait
   hériter la couleur du texte ambiant. */
.ui-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    color: currentColor;
    display: block;
}
.ui-icon.ui-icon--sm { width: 16px; height: 16px; }

/* Style des barres de progression */
.bar-container {
    background-color: var(--ui-bg-input);
    border: 1px solid var(--ui-border-soft);
    border-radius: var(--ui-radius-sm);
    overflow: hidden;
    width: 100%;
    height: 20px;
    margin: var(--ui-space-3) 0;
    position: relative;
}
.bar {
    height: 100%;
    background: linear-gradient(180deg, var(--ui-accent), var(--ui-accent-strong));
    width: 0%;
    transition: width 0.4s var(--ui-ease);
}
.bar-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--ui-text);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}

/* Menus contextuels */
.context-menu {
    position: absolute;
    background-color: var(--ui-bg-raised);
    border: 1px solid var(--ui-border-soft);
    padding: var(--ui-space-3);
    border-radius: var(--ui-radius-md);
    z-index: 100;
    box-shadow: var(--ui-shadow-lg);
    color: var(--ui-text);
    font-size: 13px;
    min-width: 170px;
    font-variant-numeric: tabular-nums;
}

.context-menu > div {
    padding: 3px 2px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.context-menu > div:last-of-type {
    border-bottom: none;
}

.context-menu .menu-item {
    margin-bottom: var(--ui-space-2);
    cursor: pointer;
    padding: var(--ui-space-2) var(--ui-space-3);
    background-color: var(--ui-bg-input);
    border-radius: var(--ui-radius-sm);
    transition: background-color 0.15s var(--ui-ease);
    width: calc(100% - 20px);
}

.context-menu .menu-item:hover {
    background-color: var(--ui-accent-soft);
}

/* Effet de fondu */
.fade-in {
    opacity: 0;
    transition: opacity 0.3s var(--ui-ease);
}
.fade-in.show {
    opacity: 1;
}

.spinner {
    border: 6px solid rgba(241, 230, 210, 0.15);
    border-left: 6px solid var(--ui-accent);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    margin: 0 auto;
    animation: spin 0.9s linear infinite;
}

button {
    font-family: inherit;
}
button:focus-visible,
input:focus-visible,
a:focus-visible {
    outline: 2px solid var(--ui-accent);
    outline-offset: 2px;
}


/**
* Preloader
*/
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, #241a10 0%, var(--ui-bg-solid) 75%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--ui-space-4);
    z-index: 9999;
    pointer-events: none;
}

#preloader-text {
    text-align: center;
    font-size: 20px;
    font-family: var(--ui-font-display);
    letter-spacing: 0.02em;
    color: var(--ui-text);
    animation: pulse 1.6s infinite;
}

#preloader .bar-container {
    width: 320px;
    max-width: 70vw;
}


/**
* Login
*/
#login {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse at 50% 30%, #2a1f13 0%, var(--ui-bg-solid) 70%);
    width: 100%;
}
#login .logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 220px;
    margin-bottom: var(--ui-space-5);
    text-align: center;
}
#login .logo img {
    width: 88px;
    height: 88px;
    object-fit: contain;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.5));
}
#login .logo .logo__title {
    font-family: var(--ui-font-display);
    font-size: 26px;
    color: var(--ui-text);
    margin: var(--ui-space-3) 0 0;
    text-wrap: balance;
}
#login .logo .logo__subtitle {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ui-accent);
    margin-top: var(--ui-space-1);
}

.panel.login {
    width: 300px;
}

.login__header {
    margin-bottom: var(--ui-space-4);
    border-bottom: 1px solid var(--ui-border-soft);
    padding-bottom: var(--ui-space-2);
}

.login__title {
    font-family: var(--ui-font-display);
    font-size: 21px;
    margin: 0;
}

.login__form {
    display: flex;
    flex-direction: column;
}

.login__form-input {
    width: 100%;
    padding: 10px var(--ui-space-3);
    border: 1px solid var(--ui-border-soft);
    border-radius: var(--ui-radius-sm);
    background-color: var(--ui-bg-input);
    color: var(--ui-text);
    font-size: 15px;
    transition: border-color 0.15s var(--ui-ease);
}
.login__form-input:focus {
    border-color: var(--ui-accent);
}

.login__form-label {
    display: block;
    margin-bottom: var(--ui-space-1);
    font-size: 13px;
    color: var(--ui-text-muted);
}

.login__form-group {
    margin-bottom: var(--ui-space-4);
}

.login__form-button {
    background-color: var(--ui-accent);
    color: #1c160f;
    padding: 11px var(--ui-space-4);
    border: none;
    border-radius: var(--ui-radius-sm);
    cursor: pointer;
    font-size: 15px;
    font-weight: 700;
    transition: background-color 0.15s var(--ui-ease), transform 0.15s var(--ui-ease);
    box-shadow: var(--ui-shadow-sm);
}

.login__form-button:hover {
    background-color: var(--ui-accent-strong);
    color: var(--ui-text);
    transform: translateY(-1px);
}

.login__form-button:active {
    transform: translateY(1px);
}



/* Menu principal */
#main-menu {
    display: flex;
    width: 100%;
    height: 100%;
}

.menu-container {
    width: 260px;
    background-color: var(--ui-bg-solid);
    border-right: 1px solid var(--ui-border-soft);
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--ui-space-3);
    position: relative;
}
.menu-container footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: var(--ui-space-3);
    text-align: center;
    color: var(--ui-text-faint);
    font-size: 12px;
}
.menu-container footer p {
    margin: 0;
    line-height: 1.7;
}
.menu-container footer a {
    color: var(--ui-text-muted);
    text-decoration: none;
    font-weight: 600;
    margin: 0 4px;
}
.menu-container footer a:hover {
    color: var(--ui-accent);
    text-decoration: underline;
}
.menu-container img.logo {
    position: absolute;
    top: var(--ui-space-4);
    left: 50%;
    transform: translateX(-50%);
    width: 64px;
    height: 64px;
}

.menu-item {
    width: 100%;
    max-width: 220px;
    margin: var(--ui-space-2) 0;
}

.menu-item .menu-item-text {
    width: 100%;
    padding: var(--ui-space-3) var(--ui-space-4);
    background-color: var(--ui-bg-raised);
    border: 1px solid var(--ui-border-soft);
    border-radius: var(--ui-radius-md);
    color: var(--ui-text);
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.2s var(--ui-ease), transform 0.15s var(--ui-ease), border-color 0.2s var(--ui-ease);
    box-shadow: var(--ui-shadow-sm);
}

.menu-item:hover .menu-item-text {
    background-color: var(--ui-accent-soft);
    border-color: var(--ui-accent);
    transform: translateY(-2px);
}

.menu-item:active .menu-item-text {
    transform: translateY(1px);
}

.animation-container {
    flex: 1;
    padding: var(--ui-space-5);
    background: radial-gradient(ellipse at center, #241a10 0%, var(--ui-bg-solid) 80%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.animation-container video {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--ui-radius-lg);
    box-shadow: var(--ui-shadow-lg);
}

.animation-item {
    width: 14px;
    height: 14px;
    background-color: var(--ui-accent);
    border-radius: 50%;
    margin: 0 var(--ui-space-2);
    animation: pulse 1.5s infinite ease-in-out;
}


/** LOADER **/
#loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s var(--ui-ease);
}

.loader-content {
    text-align: center;
    background-color: var(--ui-bg-raised);
    border: 1px solid var(--ui-border-soft);
    border-radius: var(--ui-radius-lg);
    padding: var(--ui-space-5);
    box-shadow: var(--ui-shadow-lg);
}

.loader-content h1 {
    font-family: var(--ui-font-display);
    font-size: 22px;
    margin: 0 0 var(--ui-space-2);
    color: var(--ui-text);
}

.loader-content p {
    font-size: 15px;
    margin: 0;
    color: var(--ui-text-muted);
}

#loader.show {
    opacity: 1 !important;
}


/* Stats HUD (ressources / population) */
.panel.stats {
    display: flex;
    gap: var(--ui-space-4);
    padding: var(--ui-space-2) var(--ui-space-4);
    align-items: center;
}

.stats-item {
    display: flex;
    align-items: center;
    gap: var(--ui-space-2);
}

.stats-item-title {
    color: var(--ui-accent);
    display: flex;
}

.stats-item-value {
    font-family: var(--ui-font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 17px;
    font-weight: 600;
    color: var(--ui-text);
}

.stats-item-value.updated {
    animation: pop 0.35s var(--ui-ease);
}


/* Barre d'actions principale */
#main-actions {
    position: absolute;
    bottom: var(--ui-space-5);
    left: var(--ui-space-5);
}

.panel.action-container {
    display: flex;
    flex-direction: row;
    gap: var(--ui-space-2);
    padding: var(--ui-space-2);
}

.action-button {
    background-color: var(--ui-bg-input);
    border: 1px solid var(--ui-border-soft);
    border-radius: var(--ui-radius-sm);
    cursor: pointer;
    transition: background-color 0.2s var(--ui-ease), transform 0.15s var(--ui-ease), border-color 0.2s var(--ui-ease);
    width: 52px;
    height: 52px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: var(--ui-text-muted);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    box-shadow: var(--ui-shadow-sm);
}

.action-button .ui-icon {
    width: 22px;
    height: 22px;
}

.action-button:hover {
    background-color: var(--ui-accent-soft);
    border-color: var(--ui-accent);
    color: var(--ui-text);
    transform: translateY(-2px);
}

.action-button:active {
    transform: translateY(1px);
}

.action-button.is-active {
    border-color: var(--ui-accent);
    color: var(--ui-accent);
    background-color: var(--ui-accent-soft);
}

@media (max-width: 768px) {
    .panel.action-container {
        gap: var(--ui-space-1);
        padding: var(--ui-space-1);
    }
    .action-button {
        width: 46px;
        height: 46px;
    }
    .action-button .ui-icon {
        width: 20px;
        height: 20px;
    }
}


/* Priorités des tâches */
#taskPriorities {
    position: absolute;
    left: var(--ui-space-5);
    top: 50%;
    transform: translateY(-50%);
}

#taskPriorities .priorities-panel {
    width: 300px;
}

.priorities-panel .panel-title {
    margin: 0 0 var(--ui-space-4);
    font-family: var(--ui-font-display);
    font-size: 18px;
    text-align: center;
    color: var(--ui-text);
    border-bottom: 1px solid var(--ui-border-soft);
    padding-bottom: var(--ui-space-2);
}

.priority-item {
    margin-bottom: var(--ui-space-4);
    display: flex;
    align-items: center;
}

.priority-label {
    flex: 1;
    font-size: 14px;
    color: var(--ui-text-muted);
}

.priorities-panel .priority-quantity {
    font-family: var(--ui-font-mono);
    font-size: 12px;
    color: var(--ui-text);
    margin-left: var(--ui-space-1);
    background-color: var(--ui-bg-input);
    padding: 1px 6px;
    border-radius: var(--ui-radius-sm);
}

.priority-slider {
    width: 100px;
    margin: 0 var(--ui-space-2);
}

.priority-value {
    width: 40px;
    text-align: right;
    font-family: var(--ui-font-mono);
    font-size: 14px;
    color: var(--ui-text);
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--ui-bg-input);
    border: 1px solid var(--ui-border-soft);
    border-radius: 5px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--ui-accent);
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid #1c160f;
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--ui-accent);
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid #1c160f;
}


/* Menu phéromones */
#pheromones {
    position: absolute;
    bottom: 92px;
    left: 150px;
}
#pheromones .panel .action-button {
    width: 44px;
    height: 44px;
}
.action-button--resource:hover, .action-button--resource.is-active { color: var(--ui-success); border-color: var(--ui-success); }
.action-button--guard:hover, .action-button--guard.is-active { color: var(--ui-warning); border-color: var(--ui-warning); }
.action-button--alert:hover, .action-button--alert.is-active { color: var(--ui-danger); border-color: var(--ui-danger); }


/* Menu de construction */
#build-menu {
    position: absolute;
    bottom: 92px;
    left: 30px;
}
#build-menu .panel .action-button {
    width: 44px;
    height: 44px;
}
.action-button--destroy:hover, .action-button--destroy.is-active { color: var(--ui-danger); border-color: var(--ui-danger); }


/* Modales légales (legals/privacy/cookies) */
.panel.legal-modal {
    width: 420px;
}
.legal-modal h2 {
    font-family: var(--ui-font-display);
    margin-top: 0;
}
.legal-modal p {
    color: var(--ui-text-muted);
    font-size: 14px;
    line-height: 1.6;
}
.legal-modal .login__form-button {
    display: block;
    margin-left: auto;
}