/* =========================================================
   Quantik - Area Riservata — Frontend CSS v1.2
   ========================================================= */
:root {
    --qar-red:        #ED2024;
    --qar-red-dk:     #C41018;
    --qar-dark:       #313131;
    --qar-black:      #000000;
    --qar-white:      #ffffff;
    --qar-gray-50:    #F7F7F7;
    --qar-gray-100:   #EFEFEF;
    --qar-gray-200:   #DEDEDE;
    --qar-gray-400:   #999999;
    --qar-gray-600:   #555555;
    --qar-radius:     10px;
    --qar-shadow:     0 2px 8px rgba(0,0,0,.08), 0 8px 24px rgba(0,0,0,.06);
}

.qar-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--qar-dark);
    max-width: 860px;
    margin: 0 auto;
}

/* ============================================================
   AUTH (non loggato)
   ============================================================ */
.qar-auth {
    background: var(--qar-white);
    border: 1px solid var(--qar-gray-200);
    border-radius: var(--qar-radius);
    box-shadow: var(--qar-shadow);
    padding: 40px;
    max-width: 480px;
}
.qar-auth-header { text-align: center; margin-bottom: 28px; }
.qar-lock-icon { font-size: 3rem; display: block; margin-bottom: 12px; }
.qar-title { margin: 0 0 8px; font-size: 1.5rem; font-weight: 700; color: var(--qar-black); }
.qar-auth-header p { color: var(--qar-gray-600); margin: 0; font-size: .92rem; }

/* Tabs */
.qar-tabs { display: flex; border-bottom: 2px solid var(--qar-gray-100); margin-bottom: 28px; }
.qar-tab {
    flex: 1; background: none; border: none; cursor: pointer;
    padding: 10px 0; font-size: .95rem; font-weight: 600;
    color: var(--qar-gray-400); border-bottom: 2px solid transparent;
    margin-bottom: -2px; transition: color .2s, border-color .2s;
}
.qar-tab.active  { color: var(--qar-red); border-color: var(--qar-red); }
.qar-tab:hover   { color: var(--qar-dark); }

/* Form fields */
.qar-form-group { margin-bottom: 18px; }
.qar-form-group label {
    display: block; font-size: .8rem; font-weight: 600;
    color: var(--qar-gray-600); margin-bottom: 5px;
    text-transform: uppercase; letter-spacing: .04em;
}
.qar-form-group input[type=text],
.qar-form-group input[type=email],
.qar-form-group input[type=password] {
    width: 100%; padding: 11px 14px;
    border: 1.5px solid var(--qar-gray-200);
    border-radius: 8px; font-size: .95rem; outline: none;
    box-sizing: border-box;
    transition: border-color .2s, box-shadow .2s;
    background: var(--qar-gray-50);
}
.qar-form-group input:focus {
    border-color: var(--qar-red);
    box-shadow: 0 0 0 3px rgba(237,32,36,.10);
    background: var(--qar-white);
}
.qar-input-wrap { position: relative; }
.qar-input-wrap input { padding-right: 44px; }
.qar-toggle-pass {
    position: absolute; right: 12px; top: 50%;
    transform: translateY(-50%); background: none; border: none;
    cursor: pointer; font-size: 1rem; color: var(--qar-gray-400);
}
.qar-form-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.qar-form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.qar-checkbox { display: flex; align-items: center; gap: 8px; font-size: .88rem; color: var(--qar-gray-600); cursor: pointer; }
.qar-checkbox input { margin: 0; accent-color: var(--qar-red); }
.qar-link { font-size: .88rem; color: var(--qar-red); text-decoration: none; }
.qar-link:hover { text-decoration: underline; }

/* Messages */
.qar-message { padding: 10px 14px; border-radius: 8px; font-size: .88rem; margin-bottom: 16px; }
.qar-message.success { background: #FFF0F0; border-left: 4px solid var(--qar-red); color: var(--qar-red-dk); }
.qar-message.error   { background: #F9F0F0; border-left: 4px solid var(--qar-dark); color: var(--qar-dark); }

/* Buttons */
.qar-btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px; padding: 11px 22px; border-radius: 8px;
    font-size: .92rem; font-weight: 700; cursor: pointer;
    border: 2px solid transparent; transition: all .2s; text-decoration: none;
    letter-spacing: .01em;
}
.qar-btn-primary { background: var(--qar-red); color: var(--qar-white); border-color: var(--qar-red); }
.qar-btn-primary:hover {
    background: var(--qar-red-dk); color: var(--qar-white);
    border-color: var(--qar-red-dk);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(237,32,36,.35);
}
.qar-btn-full { width: 100%; }
.qar-btn-outline { background: transparent; border-color: rgba(255,255,255,.55); color: var(--qar-white) !important; }
.qar-btn-outline:hover { background: rgba(255,255,255,.15); border-color: var(--qar-white); }
.qar-btn-download {
    background: var(--qar-red); color: var(--qar-white);
    border-color: var(--qar-red); padding: 8px 18px; font-size: .82rem;
    white-space: nowrap; flex-shrink: 0;
}
.qar-btn-download:hover { background: var(--qar-red-dk); border-color: var(--qar-red-dk); color: var(--qar-white); }

/* ============================================================
   DASHBOARD (loggato)
   ============================================================ */
.qar-dashboard {
    background: var(--qar-gray-50);
    border-radius: var(--qar-radius);
    overflow: hidden;
    border: 1px solid var(--qar-gray-200);
    box-shadow: var(--qar-shadow);
}

/* Header con gradiente brand */
.qar-header {
    background: linear-gradient(135deg, var(--qar-red) 0%, #B01015 100%);
    padding: 24px 28px;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.qar-header-left { display: flex; align-items: center; gap: 16px; }
.qar-avatar {
    width: 48px; height: 48px; border-radius: 50%;
    background: rgba(255,255,255,.2); color: var(--qar-white);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; font-weight: 800; flex-shrink: 0;
    border: 2px solid rgba(255,255,255,.35);
}
.qar-header .qar-title { color: var(--qar-white); margin: 0 0 2px; font-size: 1.2rem; }
.qar-welcome { color: rgba(255,255,255,.8); margin: 0; font-size: .88rem; }
.qar-welcome strong { color: var(--qar-white); }
.qar-logout { font-size: .82rem !important; padding: 7px 14px !important; }

.qar-body { padding: 24px 28px; display: flex; flex-direction: column; gap: 16px; }

/* --- Sezioni cartella ------------------------------------- */
.qar-folder-section {
    background: var(--qar-white);
    border: 1px solid var(--qar-gray-200);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.qar-folder-header {
    padding: 14px 18px;
    display: flex; align-items: center; gap: 12px;
    cursor: pointer; user-select: none;
    transition: background .15s;
    border-left: 4px solid var(--qar-red);
}
.qar-folder-header:hover { background: var(--qar-gray-50); }
.qar-folder-title-row { display: flex; align-items: center; gap: 10px; flex: 1; }
.qar-folder-icon { font-size: 1.2rem; }
.qar-folder-name { font-weight: 700; font-size: .98rem; color: var(--qar-black); }
.qar-folder-count {
    background: var(--qar-red); color: var(--qar-white);
    border-radius: 99px; font-size: .7rem; padding: 2px 8px; font-weight: 700;
}
.qar-folder-desc { margin: 2px 0 0 32px; font-size: .8rem; color: var(--qar-gray-400); flex: 1; }
.qar-toggle-folder {
    background: none; border: none; cursor: pointer;
    margin-left: auto; color: var(--qar-gray-400); font-size: .85rem;
    padding: 4px 6px; border-radius: 6px; flex-shrink: 0;
}
.qar-chevron { display: inline-block; transition: transform .2s; }
.qar-toggle-folder.collapsed .qar-chevron { transform: rotate(-90deg); }

.qar-folder-body { padding: 0 18px 16px; }
.qar-folder-body.collapsed { display: none; }

/* Cartelle "altri documenti" — bordo grigio */
.qar-loose-docs .qar-folder-header { border-left-color: var(--qar-gray-400); }

/* --- Card documento --------------------------------------- */
.qar-docs-grid { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.qar-doc-card {
    border: 1px solid var(--qar-gray-100);
    border-radius: 8px; padding: 14px 16px;
    display: flex; align-items: center; gap: 14px;
    transition: box-shadow .2s, transform .2s, border-color .2s;
    background: var(--qar-white);
}
.qar-doc-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,.09);
    border-color: var(--qar-red);
    transform: translateY(-1px);
}
.qar-doc-icon { font-size: 1.8rem; flex-shrink: 0; }
.qar-doc-info { flex: 1; min-width: 0; }
.qar-doc-title { margin: 0 0 3px; font-size: .93rem; font-weight: 700; color: var(--qar-black); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.qar-doc-desc  { margin: 0 0 6px; font-size: .8rem; color: var(--qar-gray-400); }
.qar-doc-meta  { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.qar-doc-type  { background: var(--qar-dark); color: var(--qar-white); font-size: .68rem; font-weight: 700; padding: 2px 7px; border-radius: 4px; }
.qar-doc-size,.qar-doc-date { font-size: .76rem; color: var(--qar-gray-400); }

/* --- Empty state ------------------------------------------ */
.qar-empty { text-align: center; padding: 60px 20px; }
.qar-empty-icon { font-size: 4rem; display: block; margin-bottom: 16px; opacity: .3; }
.qar-empty p { color: var(--qar-gray-400); font-size: .95rem; }

/* --- Responsive ------------------------------------------- */
@media (max-width: 540px) {
    .qar-auth { padding: 24px; }
    .qar-form-row-2 { grid-template-columns: 1fr; }
    .qar-form-row { flex-direction: column; align-items: flex-start; gap: 10px; }
    .qar-doc-card { flex-wrap: wrap; }
    .qar-btn-download { width: 100%; justify-content: center; }
    .qar-header { flex-direction: column; align-items: flex-start; }
    .qar-body { padding: 16px; }
}