/* ============================================================
   Synapse — CSS principal · Rediseño Premium Dark
   ============================================================ */

/* --- Variables --- */
:root {
    --bg-base:        #080808;
    --bg-card:        #0F0F0F;
    --bg-glass:       rgba(255,255,255,0.03);
    --bg-glass-hover: rgba(255,255,255,0.06);
    --bg-input:       rgba(255,255,255,0.05);
    --bg-hover:       rgba(255,255,255,0.04);
    --border:         rgba(255,255,255,0.07);
    --border-light:   rgba(255,255,255,0.12);
    --border-focus:   rgba(229,211,179,0.4);
    --accent:         #E5D3B3;
    --accent-dim:     rgba(229,211,179,0.08);
    --accent-glow:    rgba(229,211,179,0.15);
    --text-primary:   #F2F2F2;
    --text-secondary: #A0A0A0;
    --text-muted:     #555;
    --prioridad-alta: #E5534B;
    --prioridad-media:#E5A430;
    --prioridad-baja: #3FB950;
    --danger:         #E5534B;
    --success:        #3FB950;
    --warning:        #E5A430;
    --info:           #5B9BD5;
    --sidebar-w:      240px;
    --header-h:       54px;
    --radius-card:    12px;
    --radius-chip:    6px;
    --radius-btn:     8px;
    --radius-input:   8px;
    --shadow:         0 8px 32px rgba(0,0,0,0.6);
    --shadow-sm:      0 2px 8px rgba(0,0,0,0.4);
    --glow-accent:    0 0 24px rgba(229,211,179,0.1);
    --transition:     0.15s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: var(--accent); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.75; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }
select { background-color: #1A1A1A; color: #F2F2F2; }
select option { background-color: #1A1A1A; color: #F2F2F2; }
ul, ol { list-style: none; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.18); }

/* ============================================================
   LAYOUT
   ============================================================ */
.app-layout { display: flex; min-height: 100vh; }

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-w);
    background: #0A0A0A;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition);
    overflow-y: auto;
}

.sidebar__brand {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.02em;
}
.brand-link:hover { opacity: 1; }
.brand-logo {
    width: 30px; height: 30px;
    background: var(--accent);
    color: #080808;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: 0 0 16px rgba(229,211,179,0.2);
}

.sidebar__nav {
    flex: 1;
    padding: 12px 10px;
    overflow-y: auto;
}
.sidebar__section-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 16px 10px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 10px;
    border-radius: var(--radius-btn);
    color: var(--text-muted);
    font-size: 0.84rem;
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
    margin-bottom: 1px;
}
.nav-item svg { flex-shrink: 0; transition: color var(--transition); }
.nav-item:hover {
    background: var(--bg-glass-hover);
    color: var(--text-secondary);
    opacity: 1;
}
.nav-item.active {
    background: var(--accent-dim);
    color: var(--accent);
    opacity: 1;
}
.nav-item.active svg { color: var(--accent); }

.sidebar__footer {
    padding: 12px 14px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.sidebar-user { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.sidebar-user__info { display: flex; flex-direction: column; min-width: 0; }
.sidebar-user__name {
    font-size: 0.78rem; font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-user__rol {
    font-size: 0.67rem;
    color: var(--text-muted);
    text-transform: capitalize;
}
.btn-logout {
    color: var(--text-muted);
    display: flex;
    align-items: center;
    padding: 6px;
    border-radius: var(--radius-btn);
    transition: color var(--transition), background var(--transition);
    flex-shrink: 0;
}
.btn-logout:hover { color: var(--danger); background: rgba(229,83,75,0.08); opacity: 1; }

/* --- Main wrapper --- */
.main-wrapper {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
}

/* --- Top header --- */
.top-header {
    height: var(--header-h);
    background: rgba(8,8,8,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 90;
    gap: 16px;
}
.top-header__left { display: flex; align-items: center; gap: 12px; }
.top-header__right { display: flex; align-items: center; gap: 10px; }

.btn-hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
}
.btn-hamburger span {
    display: block; width: 18px; height: 1.5px;
    background: var(--text-muted); border-radius: 2px;
}

.page-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

/* --- Botón icono (header) --- */
.btn-icon {
    width: 34px; height: 34px;
    border-radius: var(--radius-btn);
    background: var(--bg-glass);
    border: 1px solid var(--border);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    position: relative;
}
.btn-icon:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    border-color: var(--border-light);
}

/* --- Notificaciones --- */
.notif-wrapper { position: relative; }
.notif-badge {
    position: absolute;
    top: -3px; right: -3px;
    background: var(--danger);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    width: 16px; height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--bg-base);
}
.notif-badge.hidden { display: none; }

.notif-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 320px;
    background: #111;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow);
    z-index: 200;
    overflow: hidden;
    backdrop-filter: blur(20px);
}
.notif-dropdown__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.notif-list { max-height: 340px; overflow-y: auto; }
.notif-item {
    display: flex;
    gap: 10px;
    padding: 11px 16px;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
    cursor: pointer;
}
.notif-item:hover { background: var(--bg-glass-hover); }
.notif-item.unread { background: var(--accent-dim); }
.notif-item__content { flex: 1; min-width: 0; }
.notif-item__msg { font-size: 0.78rem; color: var(--text-primary); line-height: 1.4; }
.notif-item__time { font-size: 0.68rem; color: var(--text-muted); margin-top: 3px; }
.notif-loading { padding: 20px; text-align: center; color: var(--text-muted); font-size: 0.78rem; }
.notif-empty { padding: 28px; text-align: center; color: var(--text-muted); font-size: 0.82rem; }

/* --- User menu --- */
.user-menu-wrapper { position: relative; }
.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-btn);
    padding: 5px 10px 5px 5px;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    transition: all var(--transition);
}
.user-menu-btn:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-light);
    color: var(--text-primary);
}
.user-menu-name { max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 190px;
    background: #111;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow);
    z-index: 200;
    overflow: hidden;
}
.user-menu-dropdown a {
    display: block;
    padding: 10px 14px;
    font-size: 0.82rem;
    color: var(--text-muted);
    transition: background var(--transition), color var(--transition);
}
.user-menu-dropdown a:hover { background: var(--bg-glass-hover); color: var(--text-primary); opacity: 1; }
.user-menu-dropdown .divider { height: 1px; background: var(--border); margin: 4px 0; }
.user-menu-dropdown .text-danger { color: var(--danger) !important; }

/* --- Contenido principal --- */
.main-content { flex: 1; padding: 26px; overflow-x: hidden; }

/* ============================================================
   COMPONENTES
   ============================================================ */

/* --- Cards --- */
.card {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 20px;
    transition: border-color var(--transition);
}
.card:hover { border-color: var(--border-light); }
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}
.card-title { font-size: 0.84rem; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.02em; }

/* --- Botones --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-btn);
    font-size: 0.82rem;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
    letter-spacing: 0.01em;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
    background: var(--accent);
    color: #080808;
    border-color: var(--accent);
    font-weight: 600;
}
.btn-primary:hover {
    background: #f0dfc4;
    border-color: #f0dfc4;
    color: #080808;
    opacity: 1;
    box-shadow: 0 0 20px rgba(229,211,179,0.2);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-secondary);
    border-color: var(--border-light);
}
.btn-secondary:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    border-color: rgba(255,255,255,0.18);
    opacity: 1;
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border-color: rgba(229,83,75,0.25);
}
.btn-danger:hover { background: rgba(229,83,75,0.08); opacity: 1; }

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border-color: transparent;
    padding: 6px 10px;
}
.btn-ghost:hover { background: var(--bg-glass-hover); color: var(--text-primary); opacity: 1; }

.btn-sm { padding: 5px 11px; font-size: 0.76rem; }
.btn-text { background: none; border: none; color: var(--accent); font-size: 0.78rem; cursor: pointer; padding: 0; font-family: inherit; }
.btn-text:hover { opacity: 0.7; }

/* --- Formularios --- */
.form-group { margin-bottom: 14px; }
.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 5px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.form-control {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-input);
    color: var(--text-primary);
    padding: 8px 11px;
    font-size: 0.84rem;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    outline: none;
}
.form-control:focus {
    border-color: var(--border-focus);
    background: rgba(255,255,255,0.06);
    box-shadow: 0 0 0 3px rgba(229,211,179,0.06);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 80px; }

/* Select: fondo y texto oscuro para el dropdown nativo */
select.form-control {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}
select.form-control option {
    background: #1A1A1A;
    color: #F2F2F2;
}
select.form-control option:checked,
select.form-control option:hover {
    background: #2A2A2A;
    color: #E5D3B3;
}
.form-hint { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 0.72rem; color: var(--danger); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

/* --- Chips / Badges --- */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--radius-chip);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.prioridad-alta  { background: rgba(229,83,75,0.15);  color: var(--prioridad-alta); }
.prioridad-media { background: rgba(229,164,48,0.15); color: var(--prioridad-media); }
.prioridad-baja  { background: rgba(63,185,80,0.15);  color: var(--prioridad-baja); }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}
.badge-todo        { background: rgba(100,100,100,0.12); color: var(--text-muted); }
.badge-in-progress { background: rgba(229,164,48,0.12); color: var(--prioridad-media); }
.badge-in-review   { background: rgba(91,155,213,0.12); color: var(--info); }
.badge-done        { background: rgba(63,185,80,0.12);  color: var(--success); }
.badge-pagado      { background: rgba(63,185,80,0.12);  color: var(--success); }
.badge-pendiente   { background: rgba(229,164,48,0.12); color: var(--prioridad-media); }
.badge-en-curso    { background: rgba(100,100,100,0.12); color: var(--text-muted); }

/* --- Tablas --- */
.table-wrapper { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.83rem; }
.table th {
    text-align: left;
    padding: 9px 14px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.table td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--bg-glass-hover); }
.table td .text-primary { color: var(--text-primary); font-weight: 500; }
.table-empty { text-align: center; padding: 48px; color: var(--text-muted); font-size: 0.88rem; }

/* --- Flash messages --- */
.flash {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 20px;
    font-size: 0.82rem;
    gap: 12px;
    transition: opacity 0.4s;
}
.flash-error   { background: rgba(229,83,75,0.08); border-bottom: 1px solid rgba(229,83,75,0.15); color: var(--danger); }
.flash-success { background: rgba(63,185,80,0.06); border-bottom: 1px solid rgba(63,185,80,0.12); color: var(--success); }
.flash button  { background: none; border: none; cursor: pointer; font-size: 1.1rem; color: inherit; opacity: 0.5; }
.flash button:hover { opacity: 1; }

/* --- Overlay + Modal --- */
.overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
}
.overlay.hidden { display: none; }

/* Overlay del panel lateral: completamente transparente y sin bloquear clicks */
#panelOverlay {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    z-index: 270;
    display: block;
    align-items: unset;
    justify-content: unset;
    pointer-events: none;
}

.modal {
    background: #0F0F0F;
    border: 1px solid var(--border-light);
    border-radius: 14px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
}
.modal-lg { max-width: 700px; }

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.modal__title { font-size: 0.9rem; font-weight: 600; }
.modal__close {
    background: none; border: none;
    color: var(--text-muted);
    font-size: 1.3rem;
    cursor: pointer; padding: 0; line-height: 1;
    transition: color var(--transition);
    width: 26px; height: 26px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 6px;
}
.modal__close:hover { color: var(--text-primary); background: var(--bg-glass-hover); }
.modal__body { padding: 20px; }
.modal__footer {
    padding: 14px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* --- Panel lateral --- */
.side-panel {
    position: fixed;
    top: var(--header-h); right: 0;
    height: calc(100vh - var(--header-h));
    width: 460px;
    background: #0C0C0C;
    border-left: 1px solid var(--border-light);
    border-top: 1px solid var(--border);
    z-index: 280;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
    box-shadow: -12px 0 48px rgba(0,0,0,0.7);
}
.side-panel.open { transform: translateX(0); }

/* Comprimir el contenido principal cuando el panel está abierto */
body.panel-open .main-content {
    padding-right: 476px;
    transition: padding-right 0.25s cubic-bezier(0.4,0,0.2,1);
}
.main-content {
    transition: padding-right 0.25s cubic-bezier(0.4,0,0.2,1);
}

.side-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.side-panel__body { flex: 1; overflow-y: auto; padding: 18px; }
.side-panel__footer { padding: 12px 20px; border-top: 1px solid var(--border); flex-shrink: 0; }

/* --- Avatar group --- */
.avatar-group { display: flex; }
.avatar-group .avatar,
.avatar-group .avatar-initials { margin-left: -6px; border: 2px solid var(--bg-base); }
.avatar-group .avatar:first-child,
.avatar-group .avatar-initials:first-child { margin-left: 0; }

/* --- Punto de estado --- */
.punto-estado {
    display: inline-block;
    width: 9px; height: 9px;
    border-radius: 50%;
    border: 1.5px solid var(--bg-base);
    flex-shrink: 0;
}

/* --- Dashboard grid --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 22px;
}
.stat-card {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 20px;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.stat-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-sm);
}
.stat-card__value { font-size: 1.9rem; font-weight: 700; color: var(--text-primary); line-height: 1; }
.stat-card__label {
    font-size: 0.68rem;
    color: var(--text-muted);
    margin-top: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.stat-card__sub { font-size: 0.75rem; color: var(--text-muted); margin-top: 6px; }

/* --- Toolbar / Filtros --- */
.toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}
.toolbar select.form-control { width: auto; }
.toolbar input.form-control  { width: auto; min-width: 180px; }

/* --- Separadores --- */
.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* --- Loading spinner --- */
.spinner {
    width: 18px; height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Utilidades --- */
.hidden      { display: none !important; }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-muted     { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary   { color: var(--text-primary); }
.text-accent    { color: var(--accent); }
.text-danger    { color: var(--danger); }
.text-success   { color: var(--success); }
.text-warning   { color: var(--warning); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fs-sm  { font-size: 0.82rem; }
.fs-xs  { font-size: 0.72rem; }
.mt-8   { margin-top: 8px; }
.mt-16  { margin-top: 16px; }
.mt-24  { margin-top: 24px; }
.mb-8   { margin-bottom: 8px; }
.mb-16  { margin-bottom: 16px; }
.mb-20  { margin-bottom: 20px; }
.mb-24  { margin-bottom: 24px; }
.flex   { display: flex; }
.flex-center  { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.wrap   { flex-wrap: wrap; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.sidebar--open { transform: translateX(0); box-shadow: 8px 0 40px rgba(0,0,0,0.7); }
    .main-wrapper { margin-left: 0; }
    .btn-hamburger { display: flex; }
    .main-content { padding: 18px 14px; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .side-panel { width: 100%; }
    .modal { max-width: calc(100vw - 24px); }
    .dashboard-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}