/* ============================================================
   ShopTechSupport Admin - Design Layer (Oct 2026)
   Matches the public site: Inter + Space Grotesk, glassmorphism,
   gradient accents, premium dark theme.
   ============================================================ */

:root{
    --admin-bg:#05070d;
    --admin-surface:rgba(255,255,255,0.03);
    --admin-surface-2:rgba(255,255,255,0.05);
    --admin-border:rgba(255,255,255,0.09);
    --admin-border-strong:rgba(255,255,255,0.16);
    --admin-text:#f1f5f9;
    --admin-muted:#94a3b8;
    --admin-faint:#64748b;
    --admin-blue:#f59e0b;
    --admin-purple:#d97706;
    --admin-green:#22c55e;
    --admin-amber:#f59e0b;
    --admin-red:#ef4444;
    --admin-grad:#f59e0b;
    --admin-radius:14px;
    --admin-shadow:0 8px 32px rgba(0,0,0,0.45);
}

/* Base */
body{
    background:
        radial-gradient(1000px 500px at 15% -5%, rgba(245,158,11,0.09), transparent 60%),
        radial-gradient(800px 500px at 90% 10%, rgba(217,119,6,0.07), transparent 60%),
        var(--admin-bg) !important;
    color:var(--admin-text) !important;
    font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif !important;
}

h1,h2,h3,.sidebar-header h2,.stat-card .number{
    font-family:'Space Grotesk','Inter',sans-serif !important;
    letter-spacing:-0.01em;
}

/* Sidebar */
.admin-sidebar{
    background:rgba(8,11,18,0.85) !important;
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-right:1px solid var(--admin-border) !important;
    width:248px !important;
}
.sidebar-header{
    padding:1.6rem 1.4rem 1.2rem !important;
    border-bottom:1px solid var(--admin-border) !important;
}
.sidebar-header h2{
    font-size:1.15rem !important;
    margin:0 !important;
    background:var(--admin-grad);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
    white-space:nowrap;
}
.sidebar-header p{
    color:var(--admin-faint) !important;
    font-size:0.72rem !important;
    text-transform:uppercase;
    letter-spacing:1.5px;
    margin:0.35rem 0 0 !important;
}
.sidebar-nav{padding:1rem 0.8rem !important;}
.sidebar-nav a{
    display:flex !important;
    align-items:center;
    gap:0.8rem;
    padding:0.75rem 1rem !important;
    margin-bottom:0.25rem !important;
    border-radius:10px !important;
    color:var(--admin-muted) !important;
    font-size:0.92rem !important;
    font-weight:500;
    text-decoration:none !important;
    border:1px solid transparent !important;
    transition:all 0.2s ease;
}
.sidebar-nav a:hover{
    background:var(--admin-surface) !important;
    color:var(--admin-text) !important;
    border-color:var(--admin-border) !important;
}
.sidebar-nav a.active{
    background: rgba(245,158,11,0.13) !important;
    border-color:rgba(245,158,11,0.35) !important;
    color:#fff !important;
}
.sidebar-nav .nav-icon{font-size:1.05rem;width:1.5rem;text-align:center;flex-shrink:0}
.sidebar-footer{padding:1rem !important;border-top:1px solid var(--admin-border) !important;}
.sidebar-logout{
    width:100%;
    padding:0.7rem !important;
    border-radius:10px !important;
    background:transparent !important;
    border:1px solid var(--admin-border) !important;
    color:var(--admin-muted) !important;
    font-size:0.88rem !important;
    cursor:pointer;
    transition:all 0.2s ease;
}
.sidebar-logout:hover{
    border-color:rgba(239,68,68,0.4) !important;
    color:#fca5a5 !important;
    background:rgba(239,68,68,0.08) !important;
}

/* Wrapper + header */
.admin-wrapper{margin-left:248px !important;}
.header{
    background:rgba(8,11,18,0.7) !important;
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--admin-border) !important;
    padding:1rem 2rem !important;
    position:sticky !important;
    top:0;z-index:50;
}
.header h1{
    font-size:1.4rem !important;
    margin:0 !important;
    font-weight:700;
}
.header-right p{color:var(--admin-muted) !important;font-size:0.88rem !important;margin:0 !important;}
.header-right strong{color:var(--admin-text) !important;}

/* Content container */
.admin-wrapper .container{
    max-width:1200px !important;
    padding:2rem !important;
}

/* Stat cards */
.dashboard-grid{
    display:grid !important;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr)) !important;
    gap:1.1rem !important;
    margin-bottom:1.8rem !important;
}
.stat-card{
    background:var(--admin-surface) !important;
    backdrop-filter:blur(12px);
    border:1px solid var(--admin-border) !important;
    border-radius:var(--admin-radius) !important;
    padding:1.4rem !important;
    box-shadow:var(--admin-shadow);
    position:relative;
    overflow:hidden;
    transition:transform 0.2s ease,border-color 0.2s ease;
}
.stat-card:hover{transform:translateY(-3px);border-color:var(--admin-border-strong);}
.stat-card::before{
    content:'';position:absolute;top:0;left:0;right:0;height:3px;
    background:var(--admin-grad);opacity:0.7;
}
.stat-card.submitted::before{background:#f59e0b;}
.stat-card.in_progress::before{background:#f59e0b;}
.stat-card.waiting_parts::before{background:#d97706;}
.stat-card.completed::before{background:linear-gradient(90deg,#22c55e,#4ade80);}
.stat-card h3{
    font-size:0.82rem !important;
    font-weight:600 !important;
    color:var(--admin-muted) !important;
    margin:0 0 0.6rem !important;
    text-transform:uppercase;
    letter-spacing:0.8px;
}
.stat-card .number{
    font-size:2.4rem !important;
    font-weight:800 !important;
    color:#fff !important;
    line-height:1 !important;
    margin:0 !important;
}
.stat-card p{color:var(--admin-faint) !important;}

/* Cards / panels */
.detail-card,.diagnostics-section,.table-container,.quick-actions-card{
    background:var(--admin-surface) !important;
    backdrop-filter:blur(12px);
    border:1px solid var(--admin-border) !important;
    border-radius:var(--admin-radius) !important;
    box-shadow:var(--admin-shadow);
    padding:1.6rem !important;
    margin-bottom:1.4rem !important;
}
.detail-card h3,.diagnostics-section h3{
    font-size:1.02rem !important;
    font-weight:700 !important;
    margin:0 0 1.1rem !important;
    color:var(--admin-text) !important;
    padding-bottom:0.7rem;
    border-bottom:1px solid var(--admin-border);
}
.detail-row{
    display:flex !important;
    justify-content:space-between;
    gap:1rem;
    padding:0.55rem 0 !important;
    border-bottom:1px solid rgba(255,255,255,0.05) !important;
    font-size:0.9rem !important;
}
.detail-row:last-child{border-bottom:none !important;}
.detail-label{color:var(--admin-faint) !important;font-weight:500;flex-shrink:0;}
.detail-value{color:var(--admin-text) !important;text-align:right;word-break:break-word;}

/* Status badges */
.status-badge{
    display:inline-block !important;
    font-size:0.74rem !important;
    font-weight:700 !important;
    letter-spacing:0.4px;
    text-transform:uppercase;
    padding:0.32rem 0.85rem !important;
    border-radius:50px !important;
    border:1px solid !important;
}
.status-submitted{background:rgba(245,158,11,0.12) !important;color:#fbbf24 !important;border-color:rgba(245,158,11,0.35) !important;}
.status-in_progress{background:rgba(245,158,11,0.12) !important;color:#fcd34d !important;border-color:rgba(245,158,11,0.35) !important;}
.status-waiting_parts{background:rgba(217,119,6,0.12) !important;color:#f59e0b !important;border-color:rgba(217,119,6,0.35) !important;}
.status-completed,.status-closed{background:rgba(34,197,94,0.12) !important;color:#86efac !important;border-color:rgba(34,197,94,0.35) !important;}
.status-reopened{background:rgba(239,68,68,0.12) !important;color:#fca5a5 !important;border-color:rgba(239,68,68,0.35) !important;}

/* Tables */
table{width:100% !important;border-collapse:collapse !important;font-size:0.88rem !important;}
thead th{
    text-align:left !important;
    padding:0.8rem 1rem !important;
    color:var(--admin-faint) !important;
    font-size:0.72rem !important;
    font-weight:700 !important;
    text-transform:uppercase;
    letter-spacing:1px;
    border-bottom:1px solid var(--admin-border) !important;
    background:transparent !important;
    white-space:nowrap;
}
tbody td{
    padding:0.9rem 1rem !important;
    border-bottom:1px solid rgba(255,255,255,0.05) !important;
    color:var(--admin-text) !important;
    vertical-align:middle;
}
tbody tr{transition:background 0.15s ease;}
tbody tr:hover{background:rgba(255,255,255,0.025) !important;}
tbody tr:last-child td{border-bottom:none !important;}
.action-links a{
    color:#fbbf24 !important;
    font-weight:600 !important;
    font-size:0.82rem !important;
    text-decoration:none !important;
    padding:0.35rem 0.9rem;
    border:1px solid rgba(245,158,11,0.35);
    border-radius:50px;
    display:inline-block;
    transition:all 0.2s ease;
    margin-right:0.4rem;
}
.action-links a:hover{
    background:rgba(245,158,11,0.15) !important;
    border-color:rgba(245,158,11,0.6) !important;
}

/* Buttons */
.btn-update,.nav-btn,button[type="submit"].btn-primary{
    background:var(--admin-grad) !important;
    border:none !important;
    color:#fff !important;
    font-weight:700 !important;
    padding:0.75rem 1.6rem !important;
    border-radius:10px !important;
    font-size:0.9rem !important;
    cursor:pointer;
    text-decoration:none !important;
    display:inline-block;
    transition:transform 0.15s ease,box-shadow 0.2s ease !important;
    box-shadow:0 4px 16px rgba(245,158,11,0.3);
}
.btn-update:hover,.nav-btn:hover{
    transform:translateY(-1px);
    box-shadow:0 6px 22px rgba(245,158,11,0.45) !important;
}
.btn-secondary{
    background:var(--admin-surface-2) !important;
    border:1px solid var(--admin-border-strong) !important;
    color:var(--admin-text) !important;
    box-shadow:none !important;
}

/* Forms */
.form-group{margin-bottom:1.1rem !important;}
.form-group label{
    display:block !important;
    font-size:0.82rem !important;
    font-weight:600 !important;
    color:var(--admin-muted) !important;
    margin-bottom:0.45rem !important;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea{
    width:100% !important;
    background:rgba(0,0,0,0.3) !important;
    border:1px solid var(--admin-border) !important;
    border-radius:10px !important;
    color:var(--admin-text) !important;
    padding:0.75rem 1rem !important;
    font-size:0.92rem !important;
    font-family:inherit !important;
    transition:border-color 0.2s ease,box-shadow 0.2s ease;
    box-sizing:border-box;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
    outline:none !important;
    border-color:var(--admin-blue) !important;
    box-shadow:0 0 0 3px rgba(245,158,11,0.18) !important;
}
.form-group select option{background:#0b0f16 !important;color:#f1f5f9 !important;}

/* Search + filters */
.search-bar{display:flex !important;gap:0.7rem !important;margin-bottom:1.1rem !important;}
.search-bar input{
    flex:1 !important;
    background:rgba(0,0,0,0.3) !important;
    border:1px solid var(--admin-border) !important;
    border-radius:10px !important;
    color:var(--admin-text) !important;
    padding:0.7rem 1.1rem !important;
    font-size:0.9rem !important;
}
.search-bar button{
    background:var(--admin-surface-2) !important;
    border:1px solid var(--admin-border) !important;
    color:var(--admin-muted) !important;
    border-radius:10px !important;
    padding:0.7rem 1.2rem !important;
    cursor:pointer;font-size:0.85rem !important;
}
.filter-bar{display:flex !important;flex-wrap:wrap !important;gap:0.55rem !important;margin-bottom:1.4rem !important;align-items:center;}
.filter-btn{
    padding:0.5rem 1.1rem !important;
    border-radius:50px !important;
    border:1px solid var(--admin-border) !important;
    background:var(--admin-surface) !important;
    color:var(--admin-muted) !important;
    font-size:0.82rem !important;
    font-weight:600 !important;
    text-decoration:none !important;
    transition:all 0.2s ease;
}
.filter-btn:hover{border-color:var(--admin-border-strong) !important;color:var(--admin-text) !important;}
.filter-btn.active{
    background:var(--admin-grad) !important;
    border-color:transparent !important;
    color:#fff !important;
}

/* Messages */
.message-success,.form-success,.success{
    background:rgba(34,197,94,0.1) !important;
    border:1px solid rgba(34,197,94,0.3) !important;
    color:#86efac !important;
    border-radius:10px !important;
    padding:0.85rem 1.2rem !important;
    margin-bottom:1.2rem !important;
    font-size:0.88rem !important;
}
.message-error,.form-error,.error{
    background:rgba(239,68,68,0.1) !important;
    border:1px solid rgba(239,68,68,0.3) !important;
    color:#fca5a5 !important;
    border-radius:10px !important;
    padding:0.85rem 1.2rem !important;
    margin-bottom:1.2rem !important;
    font-size:0.88rem !important;
}

/* Login page */
.login-container{
    background:var(--admin-surface) !important;
    backdrop-filter:blur(20px);
    border:1px solid var(--admin-border) !important;
    border-radius:20px !important;
    box-shadow:0 24px 80px rgba(0,0,0,0.6),0 0 60px rgba(245,158,11,0.08) !important;
    padding:2.4rem !important;
    max-width:440px !important;
    width:calc(100% - 3rem);
}
.login-header h2{
    background:var(--admin-grad) !important;
    -webkit-background-clip:text !important;background-clip:text !important;
    -webkit-text-fill-color:transparent !important;
    font-size:1.7rem !important;
}
.btn-login{
    width:100% !important;
    background:var(--admin-grad) !important;
    border:none !important;
    color:#fff !important;
    font-weight:700 !important;
    padding:0.85rem !important;
    border-radius:10px !important;
    font-size:0.95rem !important;
    cursor:pointer;
    box-shadow:0 4px 16px rgba(245,158,11,0.35);
    transition:transform 0.15s ease,box-shadow 0.2s ease !important;
}
.btn-login:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(245,158,11,0.5) !important;}

/* Diagnostics items */
.diagnostic-item{
    background:rgba(0,0,0,0.25) !important;
    border:1px solid var(--admin-border) !important;
    border-radius:12px !important;
    padding:1.2rem !important;
    margin-bottom:1rem !important;
}
.diagnostic-item p{margin:0.4rem 0 !important;font-size:0.88rem !important;color:var(--admin-muted) !important;}
.diagnostic-item strong{color:var(--admin-text) !important;}

/* History timeline (already styled inline in tickets.php, reinforced here) */
.history-timeline{display:flex;flex-direction:column;gap:0.8rem;margin-top:1rem}
.history-item{display:flex;gap:0.9rem;align-items:flex-start;background:rgba(0,0,0,0.25);
    border:1px solid var(--admin-border);border-radius:12px;padding:0.9rem 1.1rem}

/* Section titles */
.section-title{
    font-size:1.15rem !important;
    font-weight:700 !important;
    margin:0 0 1.1rem !important;
    color:var(--admin-text) !important;
}
.issue-heading{
    font-size:1rem !important;
    margin:1.4rem 0 0.7rem !important;
    color:var(--admin-text) !important;
}

/* Empty states */
.no-data{
    text-align:center !important;
    padding:2.5rem 1rem !important;
    color:var(--admin-faint) !important;
    font-size:0.92rem !important;
}

/* Mobile */
.mobile-menu-toggle{
    display:none !important;
    background:var(--admin-surface-2) !important;
    border:1px solid var(--admin-border) !important;
    color:var(--admin-text) !important;
    border-radius:10px !important;
    padding:0.5rem 0.8rem !important;
    font-size:1.1rem !important;
    cursor:pointer;
}
@media(max-width:900px){
    .admin-sidebar{
        position:fixed !important;left:0;top:0;bottom:0;z-index:200;
        transform:translateX(-100%);transition:transform 0.3s ease;
    }
    .admin-sidebar.open,.admin-sidebar.active{transform:translateX(0) !important;}
    .admin-wrapper{margin-left:0 !important;}
    .mobile-menu-toggle{display:block !important;}
    .admin-wrapper .container{padding:1.2rem !important;}
    .header{padding:0.9rem 1.2rem !important;}
    .detail-row{flex-direction:column;gap:0.2rem;}
    .detail-value{text-align:left;}
}