/* ============================================
   V2 — Rail-paroi latéral + grimpeur animé
   Module isolé : peut être retiré sans casser le reste
   ============================================ */

:root {
    --rail-width: 56px;
    --climber-size: 32px;
    --rail-bg-top: #92400e;
    --rail-bg-bottom: #c2410c;
    --hold-color: #fde68a;
    --hold-color-active: #fbbf24;
}

/* Décale le contenu pour laisser la place au rail */
@media (min-width: 769px) {
    body {
        padding-left: var(--rail-width);
    }
    .filters {
        left: var(--rail-width);
        right: 0;
    }
}

/* ============================================
   RAIL VERTICAL
   ============================================ */
.rail-paroi {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--rail-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--rail-bg-top) 0%, var(--rail-bg-bottom) 100%);
    border-right: 2px solid #78350f;
    z-index: 40;
    overflow: hidden;
    user-select: none;
    box-shadow: 4px 0 14px rgba(0,0,0,0.18);
}

/* Texture roche : noise subtil via gradient + radial */
.rail-paroi::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(0,0,0,0.12) 1px, transparent 2px),
        radial-gradient(circle at 70% 60%, rgba(0,0,0,0.08) 1px, transparent 2px),
        radial-gradient(circle at 40% 80%, rgba(255,255,255,0.06) 1px, transparent 2px),
        radial-gradient(circle at 85% 20%, rgba(0,0,0,0.1) 1px, transparent 2px);
    background-size: 30px 30px, 40px 40px, 35px 35px, 50px 50px;
    pointer-events: none;
    opacity: 0.6;
}

/* Fissures verticales décoratives */
.rail-paroi::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, transparent 0%, transparent 18%, rgba(0,0,0,0.15) 18.5%, transparent 19%),
        linear-gradient(180deg, transparent 0%, transparent 47%, rgba(0,0,0,0.1) 47.3%, transparent 47.6%);
    pointer-events: none;
}

/* Conteneur des prises (pour positionner précisément) */
.rail-holds {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Prise individuelle */
.hold {
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--hold-color);
    transform-origin: center;
    box-shadow:
        0 1px 2px rgba(0,0,0,0.4),
        inset -1px -1px 0 rgba(0,0,0,0.2);
    transition: background 0.3s ease, transform 0.3s ease;
    z-index: 2;
}

/* Formes variées de prises (polygones) */
.hold.hold-tri { clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.hold.hold-pent { clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%); }
.hold.hold-bump { border-radius: 50%; }
.hold.hold-edge { clip-path: polygon(0 30%, 100% 0, 100% 70%, 0 100%); }
.hold.hold-jug  { clip-path: polygon(20% 0, 80% 0, 100% 100%, 0 100%); border-radius: 0 0 6px 6px;}

.hold.active {
    background: var(--hold-color-active);
    transform: scale(1.18);
}

/* ============================================
   GRIMPEUR
   ============================================ */
.climber {
    position: absolute;
    width: var(--climber-size);
    height: 40px;
    z-index: 5;
    left: 50%;
    margin-left: calc(var(--climber-size) / -2);
    top: 0;
    transition:
        top 380ms cubic-bezier(.22, .61, .36, 1),
        transform 380ms cubic-bezier(.22, .61, .36, 1);
    transform-origin: 50% 70%;
    pointer-events: none;
    will-change: top, transform;
}

.climber svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

/* Idle animation : léger balancement */
.climber.idle {
    animation: climberIdle 1.6s ease-in-out infinite;
}

@keyframes climberIdle {
    0%, 100% { transform: rotate(-1.5deg) translateY(0); }
    50%      { transform: rotate(1.5deg) translateY(-1px); }
}

/* Petites animations sur jambes/bras */
.climber .leg-left, .climber .leg-right {
    transform-origin: top center;
    transition: transform 380ms ease;
}

.climber.step-1 .leg-left  { transform: rotate(-8deg) translateY(-1px); }
.climber.step-1 .leg-right { transform: rotate(6deg); }
.climber.step-2 .leg-left  { transform: rotate(6deg); }
.climber.step-2 .leg-right { transform: rotate(-8deg) translateY(-1px); }

/* ============================================
   CHALK PUFF (particules)
   ============================================ */
.chalk-puff {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(255,255,255,0.95);
    box-shadow: 0 0 6px rgba(255,255,255,0.7);
    animation: chalkPuffAnim 700ms ease-out forwards;
}

.chalk-puff.yellow { background: #fde68a; box-shadow: 0 0 6px rgba(253,230,138,0.8); }

@keyframes chalkPuffAnim {
    0% {
        transform: translate(0, 0) scale(0.5);
        opacity: 1;
    }
    100% {
        transform: translate(var(--dx), var(--dy)) scale(1.4);
        opacity: 0;
    }
}

/* ============================================
   CARABINER sur "Détails"
   ============================================ */
.btn-detail .carabiner {
    display: inline-block;
    width: 14px;
    height: 14px;
    vertical-align: middle;
    margin-right: 4px;
    transition: transform 0.25s ease;
}

.btn-detail:hover .carabiner {
    transform: rotate(20deg);
}

/* ============================================
   VOYAGE CARTE — marker animé
   ============================================ */
.map-climber {
    position: absolute;
    pointer-events: none;
    width: 28px;
    height: 36px;
    transform-origin: center bottom;
    z-index: 1000;
    transition: opacity 0.3s ease;
}

.map-climber.arriving {
    animation: climberArrive 400ms ease-out;
}

@keyframes climberArrive {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.4); }
}

.map-trail {
    stroke: #c2410c;
    stroke-width: 2.5;
    stroke-dasharray: 6, 4;
    fill: none;
    opacity: 0;
    animation: trailFade 1500ms ease-in-out forwards;
}

@keyframes trailFade {
    0%   { opacity: 0; stroke-dashoffset: 200; }
    20%  { opacity: 0.9; }
    80%  { opacity: 0.7; }
    100% { opacity: 0; stroke-dashoffset: 0; }
}

/* ============================================
   FLAG sommet pour sites visités
   ============================================ */
.site-card.visited .summit-flag {
    position: absolute;
    top: -6px;
    right: 38px;
    width: 22px;
    height: 26px;
    z-index: 3;
    filter: drop-shadow(0 2px 3px rgba(0,0,0,0.25));
    animation: flagWave 3s ease-in-out infinite;
    transform-origin: bottom center;
}

@keyframes flagWave {
    0%, 100% { transform: rotate(-3deg); }
    50%      { transform: rotate(3deg); }
}

.site-card:not(.visited) .summit-flag { display: none; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .rail-paroi { display: none; }
    body { padding-left: 0; }
}

/* Accessibilité : prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .climber,
    .climber.idle,
    .map-climber.arriving,
    .map-trail,
    .site-card.visited .summit-flag {
        animation: none !important;
        transition: none !important;
    }
}