:root{
    --bg: #0b0b0d;
    --panel: rgba(0,0,0,.55);
    --panel-border: rgba(255,255,255,.06);
    --text: rgba(255,255,255,.92);
    --muted: rgba(255,255,255,.65);
    --grid: rgba(255,255,255,.08);
    --divider: rgba(255,255,255,.18);
    --blue: #0b78c7;
    --red: #6800c9;
    --green: #29c36a;
    --orange: #ff9f1a;
}

*{ box-sizing:border-box; }
body{
    margin:0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: radial-gradient(1200px 600px at 40% 0%, rgba(255,255,255,.06), transparent 60%),
                radial-gradient(900px 500px at 85% 40%, rgba(255,255,255,.05), transparent 55%),
                var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.page{
    padding: 56px 56px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.title{
    font-size: 34px;
    letter-spacing: .5px;
    font-weight: 800;
    margin: 0 0 18px;
    text-transform: uppercase;
}

.divider{
    height: 2px;
    width: 100%;
    background: var(--divider);
    margin-bottom: 28px;
    opacity: .9;
}

.top-panels{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 34px;
    align-items: start;
    margin-bottom: 34px;
}

.panel{
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 22px 26px 20px;
    box-shadow: 0 12px 30px rgba(0,0,0,.35);
    backdrop-filter: blur(2px);
}

.filter-panel{
    padding: 0;
}

.filter-panel summary{
    list-style: none;
    cursor: pointer;
    padding: 16px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 16px;
    font-weight: 800;
    color: var(--text);
}

.filter-panel summary::-webkit-details-marker{
    display: none;
}

.filter-panel summary::after{
    content: '>';
    font-size: 14px;
    color: var(--muted);
    transform: rotate(0deg);
    transition: transform .2s ease;
}

.filter-panel[open] summary::after{
    transform: rotate(90deg);
}

.filter-body{
    padding: 0 22px 20px;
}

.panel h3{
    margin: 0 0 14px;
    font-size: 18px;
    font-weight: 800;
    color: var(--text);
}

.checklist{
    display: grid;
    gap: 10px;
}

label.chk{
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: 14px;
    user-select: none;
    cursor: pointer;
}

label.chk input{
    width: 14px;
    height: 14px;
    accent-color: #ffffff;
    cursor: pointer;
}

.chart-area{
    margin-top: 8px;
    position: relative;
}

.stock-section + .stock-section{
    margin-top: 48px;
}

.section-header{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 10px 0 18px;
}

.section-title{
    display: grid;
    gap: 4px;
}

.section-header h2{
    margin: 0;
    font-size: 22px;
    letter-spacing: .8px;
    text-transform: uppercase;
}

.section-meta{
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.export-csv{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,.28);
    background: rgba(255,255,255,.06);
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.export-csv:hover{
    transform: translateY(-1px);
    border-color: rgba(255,255,255,.5);
    box-shadow: 0 10px 20px rgba(0,0,0,.25);
}

.chart-scroll{
    height: 420px;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 12px;
    border-radius: 8px;
}

.chart-scroll::-webkit-scrollbar{ height: 10px; width: 10px; }
.chart-scroll::-webkit-scrollbar-track{ background: rgba(255,255,255,.06); border-radius: 10px; }
.chart-scroll::-webkit-scrollbar-thumb{ background: rgba(255,255,255,.20); border-radius: 10px; }
.chart-scroll::-webkit-scrollbar-thumb:hover{ background: rgba(255,255,255,.28); }

.canvas-wrap{
    background: transparent;
    padding: 0 8px 0 0;
    min-width: 100%;
}

.xaxis-sticky{
    background: linear-gradient(to bottom, rgba(11,11,13,.95), rgba(11,11,13,.65));
    border-bottom: 1px solid rgba(255,255,255,.14);
    padding: 10px 10px 10px 227px;
    z-index: 5;
    backdrop-filter: blur(2px);
}

.xaxis-inner{
    padding: 0 8px 0 0;
}

.hint{
    margin-top: 10px;
    color: rgba(255,255,255,.55);
    font-size: 12px;
}

.top-nav{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 12px 18px;
    border-radius: 12px;
    background: rgba(0,0,0,.45);
    border: 1px solid var(--panel-border);
    box-shadow: 0 10px 24px rgba(0,0,0,.28);
    backdrop-filter: blur(2px);
    margin-bottom: 26px;
}

.nav-brand{
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
}

.nav-links{
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-link{
    text-decoration: none;
    color: var(--text);
    font-size: 13px;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid transparent;
    background: rgba(255,255,255,.03);
    transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.nav-link:hover{
    border-color: rgba(255,255,255,.28);
    background: rgba(255,255,255,.08);
    transform: translateY(-1px);
}

.nav-link.is-active{
    border-color: rgba(255,255,255,.35);
    background: rgba(11,120,199,.2);
}

.login-body{
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-page{
    width: 100%;
    max-width: 1100px;
    padding: 48px 56px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    grid-template-rows: auto 1fr;
    grid-template-areas:
        "nav nav"
        "hero card";
    gap: 56px;
    align-items: center;
}

.login-nav{
    grid-area: nav;
}

.login-hero{
    display: grid;
    gap: 16px;
    grid-area: hero;
}

.login-eyebrow{
    font-size: 12px;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    color: var(--muted);
}

.login-hero h1{
    margin: 0;
    font-size: 40px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.login-hero p{
    margin: 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.6;
}

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

.login-kpi{
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 14px 16px;
    box-shadow: 0 10px 22px rgba(0,0,0,.25);
}

.login-kpi span{
    display: block;
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--muted);
}

.login-kpi strong{
    display: block;
    margin-top: 6px;
    font-size: 15px;
}

.login-card{
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    padding: 28px 28px 32px;
    box-shadow: 0 16px 36px rgba(0,0,0,.35);
    backdrop-filter: blur(3px);
    grid-area: card;
}

.login-card h2{
    margin: 0 0 6px;
    font-size: 22px;
}

.login-subtitle{
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 13px;
}

.login-form{
    display: grid;
    gap: 16px;
}

.login-field{
    display: grid;
    gap: 8px;
    font-size: 12px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .6px;
}

.login-field input{
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,.18);
    background: rgba(255,255,255,.06);
    color: var(--text);
    font-size: 14px;
}

.login-field input:focus{
    outline: none;
    border-color: rgba(255,255,255,.38);
    box-shadow: 0 0 0 3px rgba(11,120,199,.35);
}

.login-button{
    padding: 12px 16px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #0b78c7, #2f90dd);
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease;
}

.login-button:hover{
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(11,120,199,.35);
}

.login-error{
    background: rgba(255,43,43,.12);
    border: 1px solid rgba(255,43,43,.45);
    color: #ffb3b3;
    font-size: 13px;
    padding: 10px 12px;
    border-radius: 10px;
    margin-bottom: 12px;
}

@media (max-width: 980px){
    .login-page{
        grid-template-columns: 1fr;
        grid-template-areas:
            "nav"
            "hero"
            "card";
        padding: 40px 32px;
    }

    .login-kpis{
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px){
    .top-nav{
        align-items: flex-start;
        flex-direction: column;
    }

    .section-header{
        align-items: flex-start;
        flex-direction: column;
    }

    .export-csv{
        width: 100%;
        justify-content: center;
    }
}