/* ========================================================================
RÉVISION : V1.0
NOM DU SCRIPT : style.css
DESCRIPTION : Design industriel asphalte et acier. Gestion des contrastes
              haute visibilité via trois thèmes fluo interchangeables.
========================================================================
*/

/* CONFIGURATION DE BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Impact', 'Arial Black', sans-serif;
    user-select: none;
}

:root {
    --bg-dark: #0a0a0a;
    --bg-card: #151515;
    --border-color: #222;
    --text-white: #ffffff;
    
    /* Variables dynamiques ajustées par les thèmes */
    --fluo-color: #39ff14; /* Vert fluo par défaut */
    --fluo-dim: rgba(57, 255, 20, 0.2);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 15px;
    overflow: hidden;
}

.app-container {
    width: 100%;
    max-width: 500px;
    background-color: #020202;
    border: 4px solid var(--border-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 25px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.7);
}

/* THÈMES FLUO IMPLEMENTATION */
body.theme-vert {
    --fluo-color: #39ff14;
    --fluo-dim: rgba(57, 255, 20, 0.1);
}
body.theme-orange {
    --fluo-color: #ff5f1f;
    --fluo-dim: rgba(255, 95, 31, 0.1);
}
body.theme-rose {
    --fluo-color: #ff1493;
    --fluo-dim: rgba(255, 20, 147, 0.1);
}

/* PANNEAU CONFIGURATION */
.config-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
    background-color: var(--bg-card);
    padding: 15px;
    border: 2px solid var(--border-color);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-group label {
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: #888;
}

.theme-buttons, .cycle-presets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.cycle-presets {
    grid-template-columns: repeat(2, 1fr);
}

button {
    background-color: #000;
    color: #fff;
    border: 2px solid var(--border-color);
    padding: 10px;
    font-size: 0.9rem;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.2s;
}

button.active {
    border-color: var(--fluo-color);
    color: var(--fluo-color);
    background-color: var(--fluo-dim);
}

.custom-input-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 5px;
}

.custom-input-group label {
    font-size: 0.8rem;
}

input[type="number"] {
    background-color: #000;
    color: var(--fluo-color);
    border: 2px solid var(--border-color);
    padding: 5px;
    width: 70px;
    font-size: 1.1rem;
    text-align: center;
}

input:focus {
    outline: none;
    border-color: var(--fluo-color);
}

/* CADRAN CENTRAL (MASSIF POUR LECTURE LIÉE AU SOL) */
.display-panel {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.counter-box {
    width: 100%;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    padding: 40px 20px;
    text-align: center;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.8);
}

.phase-display {
    font-size: 2.2rem;
    color: #fff;
    letter-spacing: 3px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

/* Changement dynamique de couleur de phase */
.counter-box.phase-effort .phase-display { color: var(--fluo-color); }
.counter-box.phase-repos .phase-display { color: #ffffff; }
.counter-box.phase-prep .phase-display { color: #f1c40f; }

.time-display {
    font-size: 8rem;
    line-height: 7.5rem;
    color: var(--fluo-color);
    text-shadow: 0 0 20px var(--fluo-dim);
    margin-bottom: 15px;
}

.cycle-counter {
    font-size: 1.3rem;
    letter-spacing: 1px;
    color: #888;
}

/* PANEL BOUTON D'ACTION */
.action-panel {
    display: flex;
}

.btn-start {
    width: 100%;
    background-color: var(--bg-dark);
    border: 3px solid var(--fluo-color);
    color: var(--fluo-color);
    padding: 20px;
    font-size: 1.8rem;
    letter-spacing: 4px;
    box-shadow: 0 0 15px var(--fluo-dim);
}

.btn-start:active {
    background-color: var(--fluo-color);
    color: #000;
}