/* ============================================================
   ML Design System – Boutons
   S'appuie sur les tokens globaux de ml-tokens.css
   ============================================================ */

/* ---- base ------------------------------------------------- */
.ml-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 3px solid transparent;
    border-radius: var(--ml-radius-md);
    padding: 10px 20px;
    font-family: var(--ml-font-display);
    font-size: 16px;
    line-height: 1.15;
    letter-spacing: 0.02em;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    transition:
        transform var(--ml-transition-fast),
        box-shadow var(--ml-transition-fast),
        filter var(--ml-transition-fast);
}

.ml-btn__label {
    position: relative;
    z-index: 2;
}

/* shine reflet */
.ml-btn::after {
    content: "";
    position: absolute;
    top: -120%;
    left: -35%;
    width: 42%;
    height: 320%;
    background: linear-gradient(
        100deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.35) 45%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: translateX(-180%) rotate(12deg);
    transition: transform 0.55s ease;
    pointer-events: none;
    z-index: 1;
}

/* ---- hover : élévation + shine ---------------------------- */
.ml-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--ml-shadow-md);
    filter: brightness(1.03);
}

.ml-btn:hover::after {
    transform: translateX(360%) rotate(12deg);
}

/* ---- active / pressed ------------------------------------- */
.ml-btn:active {
    transform: translateY(0);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.14);
    filter: brightness(0.97);
}

/* ---- focus visible ---------------------------------------- */
.ml-btn:focus-visible {
    outline: 2px solid var(--ml-color-navy);
    outline-offset: 3px;
}

/* ============================================================
   Variantes de couleur
   ============================================================ */

/* teal (vert) */
.ml-btn.ml-btn--teal {
    background: var(--ml-color-teal);
    border-color: var(--ml-color-teal);
    color: var(--ml-color-white) !important;
}

.ml-btn.ml-btn--teal .ml-btn__label {
    color: var(--ml-color-white) !important;
}

/* orange plein */
.ml-btn.ml-btn--orange {
    background: var(--ml-color-orange);
    border-color: var(--ml-color-orange);
    color: var(--ml-color-white) !important;
}

.ml-btn.ml-btn--orange .ml-btn__label {
    color: var(--ml-color-white) !important;
}

/* orange outline (ghost) */
.ml-btn.ml-btn--orange-outline {
    background: transparent;
    border-color: var(--ml-color-orange);
    color: var(--ml-color-orange) !important;
}

.ml-btn.ml-btn--orange-outline .ml-btn__label {
    color: var(--ml-color-orange) !important;
}

.ml-btn--orange-outline::after {
    background: linear-gradient(
        100deg,
        rgba(255, 124, 16, 0) 0%,
        rgba(255, 124, 16, 0.12) 45%,
        rgba(255, 124, 16, 0) 100%
    );
}

.ml-btn--orange-outline:hover {
    background: rgba(255, 124, 16, 0.06);
}

/* yellow (jaune / or) */
.ml-btn.ml-btn--yellow {
    background: var(--ml-color-yellow);
    border-color: var(--ml-color-yellow);
    color: var(--ml-color-navy) !important;
}

.ml-btn.ml-btn--yellow .ml-btn__label {
    color: var(--ml-color-navy) !important;
}

/* navy (bleu foncé) */
.ml-btn.ml-btn--navy {
    background: var(--ml-color-navy);
    border-color: var(--ml-color-navy);
    color: var(--ml-color-white) !important;
}

.ml-btn.ml-btn--navy .ml-btn__label {
    color: var(--ml-color-white) !important;
}

/* ============================================================
   Tailles
   ============================================================ */
.ml-btn--sm {
    padding: 10px 20px;
    font-size: 13px;
    border-radius: 12px;
}

.ml-btn--lg {
    padding: 18px 36px;
    font-size: 20px;
    border-radius: 18px;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 600px) {
    .ml-btn {
        padding: 12px 22px;
        font-size: 14px;
    }

    .ml-btn--lg {
        padding: 14px 28px;
        font-size: 17px;
    }
}

/* ============================================================
   Accessibilité : réduction de mouvements
   ============================================================ */
@media (prefers-reduced-motion: reduce) {

    .ml-btn,
    .ml-btn::after {
        transition: none;
    }

    .ml-btn:hover,
    .ml-btn:active {
        transform: none;
        box-shadow: none;
        filter: none;
    }
}