:root{
    --bg:#0b1220;
    --bg-soft:#111827;
    --panel:rgba(255,255,255,0.08);
    --panel-border:rgba(255,255,255,0.12);
    --text:#e5eefc;
    --text-dark:#0f172a;
    --muted:#94a3b8;
    --white:#ffffff;

    --sidebar:#081120;
    --sidebar-hover:rgba(255,255,255,0.08);

    --primary:#4f46e5;
    --primary-2:#7c3aed;
    --accent:#06b6d4;
    --danger:#dc2626;
    --success:#16a34a;
    --warning:#d97706;

    --shadow:0 20px 45px rgba(2,6,23,.28);
    --shadow-soft:0 10px 30px rgba(15,23,42,.10);

    --radius-xl:24px;
    --radius-lg:18px;
    --radius-md:14px;
    --radius-sm:10px;

    --blur:18px;
}

*,
*::before,
*::after{
    box-sizing:border-box;
}

html{
    -webkit-text-size-adjust:100%;
    scroll-behavior:smooth;
}

body{
    margin:0;
    font-family:"Segoe UI",Tahoma,sans-serif;
    color:var(--text);
    background:
        radial-gradient(circle at top left, rgba(124,58,237,.22), transparent 30%),
        radial-gradient(circle at top right, rgba(6,182,212,.18), transparent 28%),
        linear-gradient(135deg, #08111f 0%, #0f172a 48%, #111827 100%);
    min-height:100vh;
    line-height:1.5;
}

img{
    display:block;
    max-width:100%;
    height:auto;
}

a{
    color:inherit;
    text-decoration:none;
}

button,
input,
textarea{
    font:inherit;
}

button{
    cursor:pointer;
}

:focus-visible{
    outline:2px solid rgba(255,255,255,.75);
    outline-offset:2px;
}

/* Layout */
.dashboard{
    display:flex;
    min-height:100vh;
}

.sidebar{
    width:290px;
    background:linear-gradient(180deg, rgba(5,10,20,.96), rgba(11,18,32,.96));
    border-right:1px solid rgba(255,255,255,.08);
    color:#dbe7fb;
    flex-shrink:0;
    padding:22px 0 16px;
    position:sticky;
    top:0;
    height:100vh;
    overflow-y:auto;
    transition:transform .28s ease;
    z-index:1000;
    backdrop-filter:blur(18px);
}

.sidebar-header{
    padding:0 20px 18px;
    border-bottom:1px solid rgba(255,255,255,.07);
    margin-bottom:12px;
    display:flex;
    align-items:center;
    gap:12px;
}

.logo{
    width:64px;
    height:64px;
    object-fit:contain;
    filter:drop-shadow(0 8px 18px rgba(0,0,0,.22));
}

.brand-copy h2{
    margin:0;
    font-size:1rem;
    color:#fff;
}

.brand-copy p{
    margin:4px 0 0;
    color:#9fb0d1;
    font-size:.88rem;
}

.nav-links{
    list-style:none;
    margin:0;
    padding:8px 10px 0;
}

.nav-links li{
    margin:2px 0;
}

.nav-links a{
    position:relative;
    display:flex;
    align-items:center;
    gap:12px;
    padding:12px 14px;
    border-radius:14px;
    color:#d8e3f7;
    transition:background .18s ease, transform .18s ease, color .18s ease;
}

.nav-links a::before{
    content:"";
    position:absolute;
    left:0;
    top:8px;
    bottom:8px;
    width:4px;
    border-radius:0 4px 4px 0;
    background:linear-gradient(180deg, #06b6d4, #7c3aed);
    transform:scaleY(0);
    transform-origin:center;
    transition:transform .18s ease;
}

.nav-links a:hover,
.nav-links a.active{
    background:var(--sidebar-hover);
    transform:translateX(2px);
    color:#fff;
}

.nav-links a:hover::before,
.nav-links a.active::before{
    transform:scaleY(1);
}

.logout{
    color:#fecaca !important;
}

/* Main */
.main{
    flex:1;
    min-width:0;
    padding:24px;
}

/* Topbar */
.topbar{
    display:flex;
    align-items:center;
    gap:14px;
    justify-content:space-between;
    margin-bottom:22px;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.09);
    border-radius:20px;
    padding:16px 18px;
    box-shadow:var(--shadow-soft);
    backdrop-filter:blur(var(--blur));
}

.topbar-copy{
    flex:1;
    min-width:0;
}

.topbar h1{
    margin:0;
    font-size:1.5rem;
    font-weight:800;
    color:#fff;
    letter-spacing:.2px;
}

.topbar p{
    margin:4px 0 0;
    color:#cbd5e1;
    font-size:.94rem;
}

#toggle-btn{
    border:0;
    background:linear-gradient(135deg, var(--primary), var(--primary-2));
    color:#fff;
    width:44px;
    height:44px;
    border-radius:12px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 12px 24px rgba(124,58,237,.25);
    flex-shrink:0;
}

.topbar-user{
    display:flex;
    align-items:center;
    gap:10px;
}

.user-chip{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.10);
    padding:10px 12px;
    border-radius:999px;
    color:#fff;
    white-space:nowrap;
}

.btn-link.subtle{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:10px 14px;
    border-radius:12px;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.10);
    color:#fff;
}

/* Hero */
.hero-banner{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:20px;
    padding:24px;
    margin-bottom:20px;
    border-radius:24px;
    background:
        radial-gradient(circle at top right, rgba(6,182,212,.25), transparent 25%),
        radial-gradient(circle at bottom left, rgba(79,70,229,.35), transparent 28%),
        linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
    border:1px solid rgba(255,255,255,.10);
    box-shadow:var(--shadow);
}

.hero-kicker{
    color:#9fb2d8;
    text-transform:uppercase;
    letter-spacing:.12em;
    font-size:.78rem;
    margin-bottom:8px;
}

.hero-banner h2{
    margin:0 0 8px;
    font-size:clamp(1.45rem, 3vw, 2.1rem);
    color:#fff;
}

.hero-banner p{
    margin:0;
    color:var(--muted);
    max-width:760px;
}

.hero-badge{
    text-align:right;
    min-width:220px;
}

.status-chip{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:8px 12px;
    border-radius:999px;
    font-weight:700;
    font-size:.88rem;
}

.status-chip.ok{
    background:rgba(22,163,74,.18);
    border:1px solid rgba(22,163,74,.35);
    color:#86efac;
}

.hero-note{
    margin-top:10px;
    color:#dbe6ff;
    font-weight:600;
}

/* Cards */
.cards-grid{
    display:grid;
    grid-template-columns:repeat(4, minmax(0, 1fr));
    gap:16px;
    margin-bottom:20px;
}

.info-card,
.content-card,
.form-card,
.footer-card{
    background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
    border:1px solid rgba(255,255,255,.10);
    box-shadow:var(--shadow-soft);
    backdrop-filter:blur(var(--blur));
    color:var(--text);
    border-radius:24px;
}

.info-card{
    padding:20px;
    position:relative;
    overflow:hidden;
}

.info-card::after{
    content:"";
    position:absolute;
    inset:auto -40px -40px auto;
    width:110px;
    height:110px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(124,58,237,.14), transparent 70%);
    pointer-events:none;
}

.info-card h3{
    margin:0 0 10px;
    color:#fff;
    font-size:1rem;
    display:flex;
    align-items:center;
    gap:10px;
}

.info-card .value{
    font-size:1.1rem;
    font-weight:800;
    color:#ffffff;
    margin:0 0 8px;
    line-height:1.35;
}

.info-card p:last-child{
    margin-bottom:0;
    color:#cbd5e1;
}

.email-break{
    overflow-wrap:anywhere;
    word-break:break-word;
}

/* Content grid */
.content-grid{
    display:grid;
    grid-template-columns:1.2fr .8fr;
    gap:18px;
    margin-bottom:20px;
}

.content-card{
    padding:22px;
}

.content-card h2{
    margin:0 0 14px;
    color:#fff;
    font-size:1.15rem;
    display:flex;
    align-items:center;
    gap:10px;
}

.content-card p{
    color:#dbe6ff;
    margin:0 0 14px;
}

.contact-list{
    display:grid;
    gap:10px;
    margin-top:18px;
}

.contact-row{
    display:flex;
    justify-content:space-between;
    gap:14px;
    padding:12px 14px;
    border-radius:14px;
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.08);
}

.contact-label{
    font-weight:700;
    color:#fff;
}

.contact-value{
    color:#d7e2f7;
    text-align:right;
}

.quick-links{
    display:flex;
    flex-direction:column;
    gap:10px;
    margin-top:8px;
}

.quick-link{
    display:flex;
    align-items:center;
    gap:10px;
    padding:12px 14px;
    border-radius:14px;
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.10);
    color:#e5eefc;
    transition:transform .18s ease, background .18s ease;
}

.quick-link:hover{
    transform:translateX(3px);
    background:rgba(255,255,255,.09);
}

/* Form */
.form-card{
    padding:22px;
    margin-bottom:20px;
}

.form-head h2{
    margin:0 0 8px;
    color:#fff;
    font-size:1.2rem;
    display:flex;
    align-items:center;
    gap:10px;
}

.form-head p{
    margin:0 0 18px;
    color:#cbd5e1;
}

.flash{
    padding:14px 16px;
    border-radius:14px;
    margin-bottom:16px;
    border:1px solid rgba(255,255,255,.12);
}

.flash.success{
    background:rgba(22,163,74,.14);
    color:#86efac;
}

.flash.error{
    background:rgba(220,38,38,.14);
    color:#fecaca;
}

.contact-form{
    display:block;
}

.form-grid{
    display:grid;
    grid-template-columns:repeat(2, minmax(0, 1fr));
    gap:16px;
}

.field{
    display:flex;
    flex-direction:column;
    gap:8px;
}

.field-full{
    grid-column:1 / -1;
}

.field label{
    color:#e5eefc;
    font-weight:600;
    font-size:.95rem;
}

.field input,
.field textarea{
    width:100%;
    padding:14px 14px;
    border:1px solid rgba(255,255,255,.12);
    border-radius:14px;
    font-size:1rem;
    background:rgba(255,255,255,.05);
    color:#fff;
    transition:border-color .3s, box-shadow .3s, background .3s;
}

.field input::placeholder,
.field textarea::placeholder{
    color:#9fb2d8;
}

.field input:focus,
.field textarea:focus{
    border-color:rgba(79,70,229,.65);
    box-shadow:0 0 0 4px rgba(79,70,229,.18);
    outline:none;
    background:rgba(255,255,255,.08);
}

.form-actions{
    margin-top:18px;
    display:flex;
    justify-content:flex-start;
}

.btn-primary{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    min-height:46px;
    padding:12px 18px;
    border-radius:14px;
    border:0;
    color:#fff;
    font-weight:700;
    background:linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow:0 12px 24px rgba(79,70,229,.25);
    transition:transform .18s ease, box-shadow .18s ease;
}

.btn-primary:hover{
    transform:translateY(-2px);
    box-shadow:0 16px 30px rgba(79,70,229,.34);
}

/* Footer */
.footer{
    margin-top:10px;
}

.footer-grid{
    display:grid;
    grid-template-columns:repeat(3, minmax(0, 1fr));
    gap:16px;
    margin-bottom:16px;
}

.footer-card{
    padding:20px;
}

.footer-card h3{
    margin:0 0 12px;
    color:#fff;
    font-size:1.05rem;
}

.footer-card p{
    margin:0 0 10px;
    color:#dbe2f7;
}

.footer-card a{
    color:#dbe2f7;
}

.footer-card a:hover{
    color:#fff;
}

.footer-bottom{
    text-align:center;
    color:#cbd5e1;
    margin:0;
    padding:8px 0 4px;
}

/* Mobile overlay */
.sidebar-overlay{
    position:fixed;
    inset:0;
    background:rgba(2,6,23,.55);
    opacity:0;
    visibility:hidden;
    transition:opacity .2s ease, visibility .2s ease;
    z-index:999;
}

.sidebar-overlay.show{
    opacity:1;
    visibility:visible;
}

/* Responsive */
@media (max-width: 1180px){
    .cards-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 980px){
    .content-grid{
        grid-template-columns:1fr;
    }
}

@media (max-width: 860px){
    .dashboard{
        display:block;
    }

    .sidebar{
        position:fixed;
        left:0;
        top:0;
        bottom:0;
        transform:translateX(-100%);
        width:290px;
        max-width:86vw;
        height:100vh;
    }

    .sidebar.show{
        transform:translateX(0);
    }

    .main{
        padding:14px;
    }

    .topbar{
        padding:14px;
        border-radius:16px;
    }

    .topbar h1{
        font-size:1.2rem;
    }

    .hero-banner{
        flex-direction:column;
        align-items:flex-start;
    }

    .hero-badge{
        text-align:left;
        min-width:0;
        width:100%;
    }

    .cards-grid{
        grid-template-columns:1fr;
    }

    .info-card,
    .content-card,
    .form-card,
    .footer-card{
        border-radius:20px;
    }

    .footer-grid{
        grid-template-columns:1fr;
    }
}

@media (max-width: 640px){
    .topbar{
        gap:12px;
        flex-wrap:wrap;
        align-items:flex-start;
    }

    .topbar-user{
        width:100%;
    }

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

    .contact-row{
        flex-direction:column;
    }

    .contact-value{
        text-align:left;
    }
}

@media (max-width: 480px){
    .main{
        padding:12px;
    }

    #toggle-btn{
        width:40px;
        height:40px;
    }

    .hero-banner,
    .content-card,
    .form-card,
    .info-card,
    .footer-card{
        padding:16px;
    }

    .info-card .value{
        font-size:1rem;
    }

    .btn-primary{
        width:100%;
    }
}