/* ============================================================
   AmaiSharkyuu — Dark Frutiger Aero
   Thème partagé par toutes les pages du site.
   Règle d'or : aucun angle arrondi, tout est carré.
   Pensé mobile d'abord (colonne unique, cibles tactiles 48px).
   ============================================================ */

/* --- Aucun arrondi nulle part, y compris sur les contrôles natifs --- */
*,
*::before,
*::after {
    border-radius: 0 !important;
}

:root {
    /* Fonds : océan profond nocturne */
    --deep: #030d16;
    --deep-2: #061c2c;
    --deep-3: #0a2c40;

    /* Verre */
    --glass: rgba(9, 38, 56, 0.72);
    --glass-line: rgba(130, 226, 255, 0.30);
    --glass-top: rgba(168, 240, 255, 0.55);

    /* Accents Frutiger Aero */
    --aqua: #4fd8ff;
    --aqua-deep: #0d7ea8;
    --lime: #8ef564;
    --lime-deep: #2f8f3c;
    --pink: #ff7ad1;
    --pink-deep: #b52a86;
    --violet: #b18cff;
    --violet-deep: #6b34c9;
    --steel: #93b3c6;
    --steel-deep: #3d5a6b;
    --ruby: #ff6b6b;
    --ruby-deep: #a81d33;

    /* Texte */
    --text: #e2f6ff;
    --text-dim: #9dc0d2;
    --text-strong: #ffffff;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 24px 16px 40px;
    padding-bottom: calc(40px + env(safe-area-inset-bottom));
    box-sizing: border-box;
    min-height: 100dvh;

    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text);
    font-size: 16px;
    line-height: 1.6;

    background-color: var(--deep);
    background-image:
        /* halos bioluminescents */
        radial-gradient(circle at 12% 6%, rgba(79, 216, 255, 0.20), transparent 42%),
        radial-gradient(circle at 88% 22%, rgba(177, 140, 255, 0.16), transparent 40%),
        radial-gradient(circle at 50% 96%, rgba(142, 245, 100, 0.12), transparent 46%),
        /* dégradé de profondeur */
        linear-gradient(170deg, var(--deep-3) 0%, var(--deep-2) 42%, var(--deep) 100%);
    background-attachment: fixed;
    background-size: cover;

    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;

    overflow-x: hidden;
    -webkit-tap-highlight-color: rgba(79, 216, 255, 0.25);
}

/* Voile de bulles très discret, purement décoratif */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        radial-gradient(circle at 18% 78%, rgba(255, 255, 255, 0.07) 0 3px, transparent 4px),
        radial-gradient(circle at 72% 34%, rgba(255, 255, 255, 0.06) 0 5px, transparent 6px),
        radial-gradient(circle at 40% 12%, rgba(255, 255, 255, 0.05) 0 2px, transparent 3px),
        radial-gradient(circle at 88% 66%, rgba(255, 255, 255, 0.05) 0 4px, transparent 5px),
        radial-gradient(circle at 8%  40%, rgba(255, 255, 255, 0.04) 0 2px, transparent 3px);
}

/* Tout le contenu passe au-dessus du voile */
body > * {
    position: relative;
    z-index: 1;
}

/* ------------------------------------------------------------
   Conteneur : colonne unique, calibrée pour un écran de téléphone
   ------------------------------------------------------------ */
.container {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    width: 100%;
    max-width: 380px;
    box-sizing: border-box;
}

/* ------------------------------------------------------------
   Panneau de verre (la brique de base du thème)
   ------------------------------------------------------------ */
.panel {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    padding: 22px;

    background-color: var(--glass);
    background-image: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.14) 0%,
        rgba(255, 255, 255, 0.05) 48%,
        rgba(0, 0, 0, 0.10) 50%,
        rgba(0, 0, 0, 0.22) 100%
    );

    border: 1px solid var(--glass-line);
    border-top: 2px solid var(--glass-top);
    box-shadow:
        0 12px 30px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);

    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

/* Filet lumineux d'accent en haut de panneau */
.panel[data-accent]::before {
    content: "";
    position: absolute;
    top: -2px;
    left: -1px;
    right: -1px;
    height: 3px;
}
.panel[data-accent="aqua"]::before   { background: var(--aqua);   box-shadow: 0 0 14px var(--aqua); }
.panel[data-accent="pink"]::before   { background: var(--pink);   box-shadow: 0 0 14px var(--pink); }
.panel[data-accent="violet"]::before { background: var(--violet); box-shadow: 0 0 14px var(--violet); }
.panel[data-accent="lime"]::before   { background: var(--lime);   box-shadow: 0 0 14px var(--lime); }
.panel[data-accent="steel"]::before  { background: var(--steel);  box-shadow: 0 0 14px rgba(147, 179, 198, 0.8); }

/* ------------------------------------------------------------
   Titres
   ------------------------------------------------------------ */
.page-title {
    margin: 0;
    font-size: 26px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-strong);
    text-shadow: 0 0 18px rgba(79, 216, 255, 0.55);
    text-align: center;
}

.panel-title {
    margin: 0 0 14px;
    font-size: 20px;
    font-weight: 700;
    color: var(--aqua);
    text-shadow: 0 0 12px rgba(79, 216, 255, 0.45);
}

.section-title {
    margin: 0 0 8px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--text-strong);
    text-transform: uppercase;
}

/* En-tête de sous-page : titre + bouton retour */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding-bottom: 14px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--glass-line);
}

.page-header h1 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-strong);
    text-shadow: 0 0 14px rgba(79, 216, 255, 0.4);
}

/* ------------------------------------------------------------
   Boutons vitrés (le cœur du look Aero)
   ------------------------------------------------------------ */
.aero-button {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    box-sizing: border-box;
    width: 100%;
    min-height: 52px;              /* confort tactile */
    padding: 14px 16px;

    font-family: inherit;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.55);

    background-image: linear-gradient(to bottom, var(--btn-light) 0%, var(--btn-dark) 100%);
    border: 1px solid var(--btn-edge);
    border-top: 2px solid var(--btn-shine);
    box-shadow:
        0 6px 18px rgba(0, 0, 0, 0.45),
        0 0 18px var(--btn-glow),
        inset 0 1px 0 rgba(255, 255, 255, 0.45);

    cursor: pointer;
    overflow: hidden;
    transition: filter 0.15s ease, transform 0.06s ease;

    /* palette par défaut : aqua */
    --btn-light: #56d6ff;
    --btn-dark: #0a5f83;
    --btn-edge: #073d55;
    --btn-shine: #b8f0ff;
    --btn-glow: rgba(79, 216, 255, 0.35);
}

/* Reflet vitré sur la moitié haute */
.aero-button::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 48%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.06));
    pointer-events: none;
}

.aero-button:active {
    transform: translateY(1px);
    filter: brightness(1.15);
}

/* Le survol n'existe pas au doigt : réservé aux écrans avec souris */
@media (hover: hover) {
    .aero-button:hover { filter: brightness(1.18); }
}

.aero-button[data-style="pink"]   { --btn-light: #ff9ade; --btn-dark: #8d1f68; --btn-edge: #5f1246; --btn-shine: #ffd0ef; --btn-glow: rgba(255, 122, 209, 0.35); }
.aero-button[data-style="violet"] { --btn-light: #c4a6ff; --btn-dark: #4e229b; --btn-edge: #33165f; --btn-shine: #e6d9ff; --btn-glow: rgba(177, 140, 255, 0.35); }
.aero-button[data-style="lime"]   { --btn-light: #a8fa84; --btn-dark: #24702f; --btn-edge: #17491f; --btn-shine: #d8ffc7; --btn-glow: rgba(142, 245, 100, 0.35); color: #04220b; text-shadow: 0 1px 2px rgba(255, 255, 255, 0.35); }
.aero-button[data-style="red"]    { --btn-light: #ff8f8f; --btn-dark: #8b1626; --btn-edge: #5c0d18; --btn-shine: #ffcaca; --btn-glow: rgba(255, 107, 107, 0.35); }
.aero-button[data-style="steel"]  { --btn-light: #b7d2e0; --btn-dark: #2e4757; --btn-edge: #1d2f3a; --btn-shine: #e4f1f8; --btn-glow: rgba(147, 179, 198, 0.28); }

/* Petit bouton retour, même matière */
.back-btn {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 8px 14px;
    width: auto;
    font-size: 14px;
}

/* ------------------------------------------------------------
   Bulles de contenu (listes défilables)
   ------------------------------------------------------------ */
.bubble {
    box-sizing: border-box;
    padding: 14px 16px;
    background-color: rgba(3, 20, 32, 0.72);
    background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.07), rgba(0, 0, 0, 0.18));
    border: 1px solid var(--glass-line);
    border-top: 1px solid rgba(168, 240, 255, 0.40);
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.45);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.bubble.scroll-md { height: 170px; }
.bubble.scroll-lg { height: 240px; }

.bubble ul {
    list-style: square;
    padding-left: 20px;
    margin: 0;
}

.bubble li {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}
.bubble li:last-child { margin-bottom: 0; }

/* Barres de défilement assorties, carrées */
.bubble::-webkit-scrollbar { width: 8px; }
.bubble::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.35); }
.bubble::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--aqua), var(--aqua-deep));
    border: 1px solid rgba(0, 0, 0, 0.5);
}
.bubble { scrollbar-width: thin; scrollbar-color: var(--aqua-deep) rgba(0, 0, 0, 0.35); }

/* ------------------------------------------------------------
   Stickers posés à cheval sur les bords
   ------------------------------------------------------------ */
.section-wrapper {
    position: relative;
    width: 100%;
}

.sticker {
    position: absolute;
    z-index: 10;
    pointer-events: none;
    user-select: none;
    -webkit-user-select: none;
    filter: drop-shadow(0 0 8px rgba(79, 216, 255, 0.45));
}

/* ------------------------------------------------------------
   Liens et texte courant
   ------------------------------------------------------------ */
a { color: var(--aqua); }

.muted {
    color: var(--text-dim);
    font-size: 13px;
}

hr.aero-sep {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-line), transparent);
    margin: 26px 0;
}

/* ------------------------------------------------------------
   Pied de page commun
   ------------------------------------------------------------ */
.site-footer {
    width: 100%;
    max-width: 380px;
    margin-top: 8px;
    padding: 14px 10px;
    text-align: center;
    font-size: 12px;
    color: var(--text-dim);
    border-top: 1px solid var(--glass-line);
}

.site-footer a {
    color: var(--aqua);
    text-decoration: none;
    border-bottom: 1px solid rgba(79, 216, 255, 0.4);
}

/* ------------------------------------------------------------
   Écrans larges : on garde la colonne mobile, juste un peu d'air
   ------------------------------------------------------------ */
@media (min-width: 720px) {
    body { padding-top: 40px; }
    .container, .site-footer { max-width: 420px; }
}

/* Respect des préférences d'accessibilité */
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}