/* =====================================================================
   KRYPXEN Dark — Cyberpunk / Dark Futuristic theme
   FileHost System global stylesheet
   ===================================================================== */

:root {
    --bg-primary:   #080810;
    --bg-secondary: #0d0d1a;
    --bg-card:      #111122;
    --bg-hover:     #1a1a2e;
    --border:       #1e1e3a;
    --text-primary: #c8d0e7;
    --text-secondary:#7a82a0;
    --accent-blue:  #4a9eff;
    --accent-cyan:  #00d4ff;
    --accent-purple:#6e5eff;
    --success:      #00c896;
    --danger:       #ff4757;
    --warning:      #ffa502;
    --brand:        #7b8cde;

    --sidebar-width: 240px;
    --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
}

body {
    font-family: 'Rajdhani', 'Exo 2', 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 15px;
    letter-spacing: 0.3px;
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { color: var(--accent-cyan); }

h1, h2, h3, h4 { font-weight: 600; letter-spacing: 0.5px; }

/* ---- Animated grid background --------------------------------------- */
.bg-grid {
    position: fixed;
    inset: 0;
    z-index: -2;
    background-color: var(--bg-primary);
    background-image:
        linear-gradient(rgba(74,158,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74,158,255,0.06) 1px, transparent 1px);
    background-size: 42px 42px;
    animation: gridmove 18s linear infinite;
}
.bg-glow {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 20% 20%, rgba(110,94,255,0.12), transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0,212,255,0.10), transparent 40%);
}
@keyframes gridmove {
    from { background-position: 0 0, 0 0; }
    to   { background-position: 42px 42px, 42px 42px; }
}

/* ---- Branding ------------------------------------------------------- */
.brand-logo {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--brand);
    text-shadow: 0 0 12px rgba(123,140,222,0.7), 0 0 28px rgba(74,158,255,0.4);
}
.brand-logo span { color: var(--accent-cyan); }

/* ---- Login screen --------------------------------------------------- */
.login-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}
.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 0 40px rgba(74,158,255,0.10);
    padding: 40px 34px;
    text-align: center;
}
.login-card .subtitle {
    color: var(--text-secondary);
    margin: 6px 0 28px;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ---- Cards ---------------------------------------------------------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 0 20px rgba(74,158,255,0.05);
    padding: 20px;
}
.card-title {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}

/* ---- Forms ---------------------------------------------------------- */
label { display:block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }

input[type=text], input[type=password], input[type=number],
input[type=search], select, textarea {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 4px;
    padding: 10px 12px;
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(74,158,255,0.20);
}
.form-row { margin-bottom: 16px; text-align: left; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.input-group { display: flex; gap: 8px; }
.input-group input { flex: 1; }

/* ---- Buttons -------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: none;
    border-radius: 4px;
    padding: 8px 16px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #fff;
    cursor: pointer;
    transition: filter .15s, transform .05s;
    text-decoration: none;
}
.btn:hover  { filter: brightness(1.12); color:#fff; }
.btn:active { transform: translateY(1px); }
.btn-block  { width: 100%; justify-content: center; }
.btn-sm     { padding: 5px 10px; font-size: 12px; }

/* Crisp inline icons inherit the button text colour. */
.btn .ic { display: block; flex: 0 0 auto; }
.ic { vertical-align: middle; }

/* Icon-only square buttons (download / link / info / delete in tables). */
.btn-icon { padding: 7px; line-height: 0; }
.btn-icon.btn-sm { padding: 6px; }

.btn-primary { background: var(--accent-blue); }
.btn-cyan    { background: var(--accent-cyan); color:#06121a; }
.btn-purple  { background: var(--accent-purple); }
.btn-success { background: var(--success); color:#04241a; }
.btn-danger  { background: var(--danger); }
.btn-ghost   { background: var(--bg-hover); border: 1px solid var(--border); }

/* ---- Alerts / messages --------------------------------------------- */
.alert { border-radius: 4px; padding: 10px 14px; font-size: 14px; margin-bottom: 16px; }
.alert-error   { background: rgba(255,71,87,0.12);  border:1px solid var(--danger);  color: var(--danger); }
.alert-success { background: rgba(0,200,150,0.12);  border:1px solid var(--success); color: var(--success); }
.alert-warning { background: rgba(255,165,2,0.12);  border:1px solid var(--warning); color: var(--warning); }
.error-text { color: var(--danger); min-height: 18px; font-size: 13px; margin-top: 8px; }

/* ---- Layout: sidebar + main ---------------------------------------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    z-index: 10;
}
.sidebar .brand-logo { font-size: 22px; margin-bottom: 28px; text-align:center; }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar nav a {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px;
    border-radius: 6px;
    color: var(--text-secondary);
    font-weight: 600;
    transition: background .15s, color .15s;
}
.sidebar nav a:hover { background: var(--bg-hover); color: var(--text-primary); }
.sidebar nav a .nav-ic {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    flex: 0 0 22px;
    color: var(--text-secondary);
    transition: color .15s;
}
.sidebar nav a:hover .nav-ic { color: var(--accent-blue); }
.sidebar nav a.active .nav-ic { color: var(--accent-cyan); }
.sidebar nav a.active {
    background: var(--bg-hover);
    color: var(--accent-cyan);
    box-shadow: inset 3px 0 0 var(--accent-cyan);
}
.sidebar .sidebar-foot { margin-top: 14px; }
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 11px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    transition: border-color .15s, box-shadow .15s;
}
.sidebar-user:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 0 16px rgba(74,158,255,0.12);
}
.sidebar-user .avatar {
    position: relative;
    width: 38px; height: 38px;
    flex: 0 0 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    color: #fff;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
    box-shadow: 0 0 12px rgba(74,158,255,0.45);
}
.sidebar-user .avatar::after {
    content: '';
    position: absolute;
    right: -1px;
    bottom: -1px;
    width: 11px; height: 11px;
    border-radius: 50%;
    background: var(--success);
    border: 2px solid var(--bg-card);
    box-shadow: 0 0 8px var(--success);
}
.sidebar-user .su-info { text-align: left; overflow: hidden; min-width: 0; }
.sidebar-user .su-name {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 14px;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-user .su-role {
    color: var(--text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}
.sidebar-user.is-admin .avatar {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
}
.sidebar-user.is-admin .su-role { color: var(--accent-purple); }

.main {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 28px 34px;
    width: calc(100% - var(--sidebar-width));
}
.page-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 24px;
}
.page-head h1 { font-size: 24px; }
.page-head .user-chip {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 5px 16px 5px 5px;
    color: var(--text-secondary);
    font-size: 13px;
    box-shadow: 0 0 16px rgba(74,158,255,0.06);
}
.page-head .user-chip b { color: var(--text-primary); font-weight: 700; }
.user-chip .chip-avatar {
    width: 30px; height: 30px;
    flex: 0 0 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: #fff;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
    box-shadow: 0 0 10px rgba(0,212,255,0.35);
}
.user-chip .chip-avatar.is-admin {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
}

/* ---- Stat cards ----------------------------------------------------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: 0 0 20px rgba(74,158,255,0.05);
    position: relative;
    overflow: hidden;
}
.stat-card .label { font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-secondary); }
.stat-card .value { font-size: 30px; font-weight: 700; margin-top: 6px; color: var(--text-primary); }
.stat-card .icon  { position: absolute; right: 14px; top: 14px; opacity: .55; }
.stat-card .icon svg { display: block; }
.stat-card.blue   .value, .stat-card.blue   .icon { color: var(--accent-blue); }
.stat-card.cyan   .value, .stat-card.cyan   .icon { color: var(--accent-cyan); }
.stat-card.purple .value, .stat-card.purple .icon { color: var(--accent-purple); }
.stat-card.green  .value, .stat-card.green  .icon { color: var(--success); }
.stat-card.red    .value, .stat-card.red    .icon { color: var(--danger); }
.stat-card.orange .value, .stat-card.orange .icon { color: var(--warning); }

/* ---- Tables --------------------------------------------------------- */
.table-wrap { overflow-x: auto; }
table.data {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
table.data thead th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    text-align: left;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
}
table.data tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
table.data tbody tr:hover { background: var(--bg-hover); }
table.data tbody tr:last-child td { border-bottom: none; }
.muted { color: var(--text-secondary); }
.nowrap { white-space: nowrap; }
.actions-cell { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---- Badges --------------------------------------------------------- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
}
.badge-active  {
    color: var(--success);
    background: rgba(0,200,150,0.10);
    border-color: rgba(0,200,150,0.4);
    box-shadow: 0 0 10px rgba(0,200,150,0.45);
}
.badge-locked  { color: var(--danger);  background: rgba(255,71,87,0.10);  border-color: rgba(255,71,87,0.4); }
.badge-expired { color: var(--warning); background: rgba(255,165,2,0.10);  border-color: rgba(255,165,2,0.4); }
.badge-role    { color: var(--accent-purple); background: rgba(110,94,255,0.10); border-color: rgba(110,94,255,0.4); }

/* ---- Upload / drop zone -------------------------------------------- */
.dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color .15s, background .15s;
    background: var(--bg-secondary);
}
.dropzone:hover, .dropzone.dragover {
    border-color: var(--accent-blue);
    background: var(--bg-hover);
    color: var(--text-primary);
}
.dropzone .dz-icon {
    width: 66px; height: 66px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(74,158,255,0.08);
    border: 1px solid var(--border);
    color: var(--accent-blue);
    transition: color .15s, border-color .15s, box-shadow .15s, transform .15s;
}
.dropzone:hover .dz-icon, .dropzone.dragover .dz-icon {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 18px rgba(0,212,255,0.30);
    transform: translateY(-2px);
}
.dropzone .dz-title { font-size: 17px; font-weight: 600; color: var(--text-primary); }
.dropzone .dz-sub { font-size: 13px; margin-top: 5px; color: var(--text-secondary); }
.dropzone .dz-sub b { color: var(--accent-blue); }
.dropzone .hint {
    font-size: 11px;
    margin-top: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    opacity: .85;
}

.progress {
    height: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    margin-top: 14px;
    overflow: hidden;
    display: none;
}
.progress.show { display: block; }
.progress .bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    transition: width .15s;
}

/* ---- Modal ---------------------------------------------------------- */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(4,4,12,0.7);
    backdrop-filter: blur(3px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
}
.modal-overlay.show { display: flex; }
.modal {
    width: 100%;
    max-width: 540px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 0 40px rgba(0,0,0,0.6);
    max-height: 85vh;
    overflow: auto;
}
.modal-head {
    display:flex; align-items:center; justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.modal-head h3 { color: var(--accent-cyan); }
.modal-body { padding: 20px; }
.modal-close { background:none; border:none; color: var(--text-secondary); font-size: 22px; cursor:pointer; }
.modal-close:hover { color: var(--danger); }

/* ---- Misc ----------------------------------------------------------- */
.toolbar { display:flex; gap:12px; align-items:center; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .search { flex: 1; min-width: 220px; }
.section-gap { margin-top: 28px; }
.key-box {
    font-family: 'Courier New', monospace;
    background: var(--bg-secondary);
    border: 1px dashed var(--accent-blue);
    color: var(--accent-cyan);
    padding: 14px;
    border-radius: 6px;
    word-break: break-all;
    letter-spacing: 1px;
    text-align: center;
    font-size: 16px;
}
.flex-between { display:flex; align-items:center; justify-content: space-between; gap: 12px; }
.toast {
    position: fixed; bottom: 24px; right: 24px;
    background: var(--bg-card);
    border: 1px solid var(--success);
    color: var(--success);
    padding: 12px 18px;
    border-radius: 6px;
    box-shadow: 0 0 24px rgba(0,0,0,0.5);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .2s, transform .2s;
    z-index: 200;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { border-color: var(--danger); color: var(--danger); }

.info-list { list-style: none; }
.info-list li {
    display: flex; justify-content: space-between;
    padding: 10px 0; border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.info-list li:last-child { border-bottom: none; }
.info-list .k { color: var(--text-secondary); }
.info-list .v { color: var(--text-primary); font-weight: 600; }
.grid-2 { display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.mono { font-family: 'Courier New', monospace; }

/* ---- Mobile menu controls (hidden on desktop) ----------------------- */
.menu-toggle {
    display: none;
    position: fixed;
    top: 14px;
    left: 14px;
    z-index: 60;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: var(--bg-card);
    color: var(--accent-cyan);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 0 16px rgba(0,0,0,0.4);
}
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(4,4,12,0.6);
    backdrop-filter: blur(2px);
    z-index: 40;
}
.sidebar-backdrop.show { display: block; }

/* =====================================================================
   Responsive — tablets & Android / mobile browsers
   ===================================================================== */

/* Tablet / small laptop: tighten the 4-up stat grid. */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .main { padding: 24px 22px; }
}

/* Phones & most Android browsers: collapse the sidebar into a drawer. */
@media (max-width: 820px) {
    .menu-toggle { display: flex; }

    .sidebar {
        transform: translateX(-100%);
        transition: transform .25s ease;
        z-index: 50;
        width: 250px;
        box-shadow: 0 0 40px rgba(0,0,0,0.6);
    }
    .sidebar.open { transform: translateX(0); }

    .main {
        margin-left: 0;
        width: 100%;
        padding: 72px 16px 24px;   /* top padding clears the hamburger */
    }

    .page-head { flex-wrap: wrap; gap: 10px; }
    .page-head h1 { font-size: 21px; }

    .grid-2 { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }

    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar .search { width: 100%; }

    /* Keep wide tables usable via horizontal scroll. */
    .table-wrap { -webkit-overflow-scrolling: touch; overflow-x: auto; }
    table.data { min-width: 640px; }

    /* Profile info rows: let long values (e.g. the 32-char key) wrap
       instead of forcing the whole page to scroll sideways. */
    .info-list li { flex-wrap: wrap; gap: 4px 10px; }
    .info-list .k { flex: 0 0 100%; }
    .info-list .v { max-width: 100%; text-align: left; word-break: break-word; }
    .info-list .key-value { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
    .info-list .key-value .mono { word-break: break-all; }

    .login-card { padding: 32px 22px; }
}

/* Small phones: stack the stat cards fully. */
@media (max-width: 520px) {
    .stats-grid { grid-template-columns: 1fr; }
    .stat-card .value { font-size: 26px; }
    .main { padding: 68px 12px 20px; }
    .actions-cell { gap: 4px; }
    .btn { padding: 7px 12px; }
    .brand-logo { font-size: 24px; }
}