/* === LOADERS (page + formulaires) === */
.page-loader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: all;
    opacity: 0;
    visibility: hidden;
    transition: opacity .22s ease, visibility .22s ease;
}
.page-loader.show {
    opacity: 1;
    visibility: visible;
}
.page-loader-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, .38);
    backdrop-filter: blur(3px);
}
.page-loader-card {
    position: relative;
    z-index: 1;
    background: #fff;
    padding: 1.35rem 1.75rem;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, .18);
    text-align: center;
    min-width: 168px;
}
.page-loader-spinner {
    width: 38px;
    height: 38px;
    border: 3px solid #e2e8f0;
    border-top-color: #6366f1;
    border-radius: 50%;
    animation: loader-spin .65s linear infinite;
    margin: 0 auto .7rem;
}
.page-loader-text {
    margin: 0;
    font-size: .85rem;
    font-weight: 600;
    color: #475569;
}
@keyframes loader-spin {
    to { transform: rotate(360deg); }
}

body.is-loading {
    overflow: hidden;
    touch-action: none;
}

.btn-spinner {
    display: inline-block;
    width: .9rem;
    height: .9rem;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: loader-spin .55s linear infinite;
    vertical-align: -.15em;
    margin-right: .3rem;
    opacity: .9;
}
button.is-loading,
.btn.is-loading,
input[type="submit"].is-loading {
    pointer-events: none;
    opacity: .88;
    cursor: wait;
}

/* Barre de progression navigation partielle */
.pjax-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 100000;
    pointer-events: none;
    opacity: 0;
    transition: opacity .2s ease;
}
.pjax-progress.is-active {
    opacity: 1;
}
.pjax-progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    transition: width .35s ease;
    box-shadow: 0 0 8px rgba(99, 102, 241, .45);
}