@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

:root {
    --bg-0: #070b12;
    --bg-1: #0b1322;
    --surface: rgba(255, 255, 255, 0.065);
    --surface-strong: rgba(255, 255, 255, 0.105);
    --border: rgba(255, 255, 255, 0.13);
    --text: #edf3ff;
    --muted: rgba(237, 243, 255, 0.68);
    --green: #35d07f;
    --blue: #5b8cff;
    --purple: #9b51ff;
    --cyan: #23c9d6;
    --amber: #f5b942;
    --danger: #ff647c;
    --radius: 20px;
    --shadow: 0 22px 70px rgba(0, 0, 0, 0.42);
    --sidebar-width: 278px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: "Montserrat", system-ui, sans-serif;
    background:
        radial-gradient(1000px 600px at 0% 0%, rgba(53, 208, 127, 0.18), transparent 55%),
        radial-gradient(900px 600px at 80% 10%, rgba(91, 140, 255, 0.20), transparent 55%),
        linear-gradient(135deg, rgba(7, 11, 18, 0.88), rgba(11, 19, 34, 0.94)),
        url("../img/bg-security.jpg") center / cover fixed no-repeat;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.12;
    background:
        linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
    background-size: 72px 72px;
}

button,
input {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
}

.glass-card {
    border: 1px solid var(--border);
    background: var(--surface);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

.kicker {
    display: inline-flex;
    padding: 7px 10px;
    margin-bottom: 10px;
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.055);
    color: rgba(237, 243, 255, 0.78);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.13em;
}

/* Guest / login */
.guest-body {
    display: grid;
    place-items: center;
    padding: 24px;
}

.guest-shell {
    position: relative;
    z-index: 1;
    width: min(100%, 470px);
}

.login-card {
    padding: 34px;
    overflow: hidden;
}

.login-logo {
    display: inline-flex;
    margin-bottom: 26px;
}

.login-logo img {
    display: block;
    width: min(230px, 72vw);
    max-height: 72px;
    object-fit: contain;
    object-position: left center;
}

.login-card h1 {
    margin: 4px 0 12px;
    font-size: clamp(28px, 6vw, 39px);
    letter-spacing: -0.04em;
    line-height: 1.1;
}

.lead {
    margin: 0 0 24px;
    color: var(--muted);
    line-height: 1.7;
    font-size: 14px;
}

.stack-form {
    display: grid;
    gap: 15px;
}

.stack-form label {
    display: grid;
    gap: 8px;
    color: rgba(237, 243, 255, 0.82);
    font-size: 13px;
    font-weight: 700;
}

.stack-form input {
    width: 100%;
    min-height: 50px;
    padding: 0 15px;
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 13px;
    outline: none;
    background: rgba(4, 8, 15, 0.48);
}

.button {
    min-height: 48px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 0 18px;
    border: 0;
    border-radius: 13px;
    color: white;
    text-decoration: none;
    font-weight: 800;
}

.button-primary {
    background: linear-gradient(90deg, var(--blue), var(--purple));
}

.button:disabled,
input:disabled {
    cursor: not-allowed;
    opacity: 0.58;
}

.info-note {
    margin-top: 17px;
    padding: 12px 14px;
    border: 1px solid rgba(245, 185, 66, 0.2);
    border-radius: 12px;
    color: rgba(255, 232, 180, 0.82);
    background: rgba(245, 185, 66, 0.08);
    font-size: 12px;
    line-height: 1.6;
}

.preview-link {
    display: inline-flex;
    margin-top: 18px;
    color: rgba(237, 243, 255, 0.78);
    font-size: 13px;
    text-decoration: none;
}

/* Application shell */
.app-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 25px 18px 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(6, 10, 18, 0.78);
    backdrop-filter: blur(18px);
}

.sidebar-brand {
    padding: 4px 10px 26px;
}

.sidebar-brand img {
    display: block;
    width: 205px;
    max-width: 100%;
    max-height: 60px;
    object-fit: contain;
    object-position: left center;
}

.sidebar-nav {
    display: grid;
    gap: 7px;
}

.sidebar-nav a,
.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border-radius: 13px;
    color: var(--muted);
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    transition: 0.2s ease;
}

.sidebar-nav a span {
    width: 24px;
    color: rgba(237, 243, 255, 0.85);
    text-align: center;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: white;
    background: linear-gradient(90deg, rgba(91, 140, 255, 0.22), rgba(155, 81, 255, 0.10));
    box-shadow: inset 0 0 0 1px rgba(91, 140, 255, 0.20);
}

.sidebar-footer {
    margin-top: auto;
}

.app-main {
    min-width: 0;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    min-height: 86px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px clamp(18px, 4vw, 42px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(7, 11, 18, 0.55);
    backdrop-filter: blur(16px);
}

.topbar h1 {
    margin: 2px 0 0;
    font-size: clamp(20px, 3vw, 27px);
}

.topbar-eyebrow {
    color: var(--muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    color: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
}

.user-chip {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green), var(--blue));
    color: white;
    font-size: 12px;
    font-weight: 800;
}

.user-name {
    font-size: 13px;
    font-weight: 700;
}

.content {
    width: min(100%, 1380px);
    margin: 0 auto;
    padding: clamp(20px, 4vw, 42px);
}

.welcome-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
    padding: clamp(22px, 4vw, 34px);
}

.welcome-panel h2,
.subjects-panel h2 {
    margin: 2px 0 9px;
    font-size: clamp(27px, 4vw, 38px);
    letter-spacing: -0.04em;
}

.welcome-panel p {
    max-width: 710px;
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
    font-size: 14px;
}

.completion-card {
    width: 210px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.055);
}

.completion-value {
    font-size: 34px;
    font-weight: 800;
}

.completion-label {
    margin-top: 3px;
    color: var(--muted);
    font-size: 11px;
}

.progress {
    height: 7px;
    margin-top: 15px;
    overflow: hidden;
    border-radius: 99px;
    background: rgba(255, 255, 255, 0.10);
}

.progress span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--green), var(--blue));
}

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

.feature-card {
    min-height: 226px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 16px;
    padding: 22px;
}

.feature-card:last-child {
    grid-column: 1 / -1;
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    font-size: 19px;
    font-weight: 800;
}

.feature-icon.green { background: rgba(53, 208, 127, 0.16); color: #7af0ae; }
.feature-icon.blue { background: rgba(91, 140, 255, 0.16); color: #97b5ff; }
.feature-icon.purple { background: rgba(155, 81, 255, 0.16); color: #c79aff; }
.feature-icon.amber { background: rgba(245, 185, 66, 0.16); color: #ffd67d; }
.feature-icon.cyan { background: rgba(35, 201, 214, 0.16); color: #7eebf2; }

.feature-card h3 {
    margin: 9px 0 8px;
    font-size: 19px;
}

.feature-card p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.65;
}

.status {
    display: inline-flex;
    width: fit-content;
    padding: 6px 9px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 800;
}

.status-warning { color: #ffdc90; background: rgba(245, 185, 66, 0.12); }
.status-neutral { color: rgba(237, 243, 255, 0.75); background: rgba(255, 255, 255, 0.07); }
.status-success { color: #88f2b6; background: rgba(53, 208, 127, 0.12); }

.card-action {
    grid-column: 1 / -1;
    justify-self: start;
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 12px;
    color: white;
    background: rgba(255, 255, 255, 0.065);
    font-size: 12px;
    font-weight: 800;
}

.subjects-panel {
    margin-top: 16px;
    padding: 24px;
}

.subject-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.subject-grid article {
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: end;
    padding: 17px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 15px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.035));
}

.subject-grid strong {
    font-size: 23px;
}

.subject-grid span {
    margin-top: 7px;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.5;
}

.sidebar-overlay {
    display: none;
}

/* Responsive */
@media (max-width: 1100px) {
    .subject-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 980px) {
    .app-shell {
        display: block;
    }

    .sidebar {
        position: fixed;
        z-index: 80;
        left: 0;
        top: 0;
        width: min(86vw, var(--sidebar-width));
        transform: translateX(-105%);
        transition: transform 0.24s ease;
    }

    .sidebar-open .sidebar {
        transform: translateX(0);
    }

    .menu-toggle {
        display: grid;
        place-items: center;
        flex: 0 0 auto;
    }

    .sidebar-overlay {
        position: fixed;
        z-index: 70;
        inset: 0;
        background: rgba(0, 0, 0, 0.58);
    }

    .sidebar-open .sidebar-overlay {
        display: block;
    }
}

@media (max-width: 720px) {
    .guest-body {
        padding: 14px;
    }

    .login-card {
        padding: 24px 20px;
    }

    .topbar {
        min-height: 74px;
        padding: 12px 15px;
    }

    .user-name,
    .topbar-eyebrow {
        display: none;
    }

    .content {
        padding: 16px;
    }

    .welcome-panel {
        grid-template-columns: 1fr;
    }

    .completion-card {
        width: 100%;
    }

    .dashboard-grid,
    .subject-grid {
        grid-template-columns: 1fr;
    }

    .feature-card,
    .feature-card:last-child {
        grid-column: auto;
    }
}

@media (max-width: 420px) {
    .feature-card {
        grid-template-columns: 1fr;
    }

    .card-action {
        grid-column: auto;
        width: 100%;
    }

    .sidebar-brand img {
        width: 180px;
    }
}

.form-alert{margin:0 0 16px;padding:12px 14px;border-radius:12px;font-size:13px;line-height:1.5}
.form-alert.error{color:#ffd6dc;background:rgba(255,100,124,.13);border:1px solid rgba(255,100,124,.25)}
.form-alert.success{color:#baf8d4;background:rgba(53,208,127,.12);border:1px solid rgba(53,208,127,.24)}
.logout-button{width:100%;padding:13px 14px;border:0;border-radius:13px;color:var(--muted);background:transparent;text-align:left;font-weight:700;cursor:pointer}
.logout-button:hover{color:white;background:rgba(255,255,255,.07)}
.feature-manager{margin-top:16px;padding:20px}
.feature-manager table{width:100%;border-collapse:collapse}
.feature-manager th,.feature-manager td{padding:14px;border-bottom:1px solid rgba(255,255,255,.09);text-align:left;vertical-align:middle}
.feature-manager small{display:block;margin-top:5px;color:var(--muted);line-height:1.5}
.table-wrap{overflow-x:auto}

.installer-shell{position:relative;z-index:1;width:min(100%,860px);margin:30px auto;padding:18px}
.installer-card{padding:30px}
.installer-logo{display:block;width:min(230px,70vw);max-height:70px;object-fit:contain;object-position:left;margin-bottom:22px}
.installer-card h1{margin:4px 0 20px;font-size:clamp(28px,5vw,40px)}
.requirements{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:20px 0}
.requirements div{display:flex;justify-content:space-between;gap:15px;padding:11px 13px;border:1px solid rgba(255,255,255,.1);border-radius:11px;background:rgba(255,255,255,.04);font-size:12px}
.installer-form{display:grid;gap:18px}
.installer-form fieldset{display:grid;gap:12px;margin:0;padding:18px;border:1px solid rgba(255,255,255,.11);border-radius:16px}
.installer-form legend{padding:0 8px;font-weight:800}
.installer-form label{display:grid;gap:7px;color:rgba(237,243,255,.8);font-size:12px;font-weight:700}
.installer-form input,.installer-form select{width:100%;min-height:47px;padding:0 13px;border:1px solid rgba(255,255,255,.13);border-radius:11px;color:var(--text);background:rgba(4,8,15,.5)}
.installer-form select option{color:#111}
.form-grid{display:grid;grid-template-columns:1fr 160px;gap:12px}
@media(max-width:650px){.requirements,.form-grid{grid-template-columns:1fr}.installer-card{padding:20px}}

.portal-system{box-shadow:0 22px 80px rgba(155,81,255,.2)}
.portal-admin{box-shadow:0 22px 80px rgba(91,140,255,.18)}
.management-card{margin-top:16px;padding:24px}
.management-card h3{margin-top:0}
.management-form{display:grid;gap:14px}
.management-form label{display:grid;gap:7px;color:rgba(237,243,255,.82);font-size:12px;font-weight:700}
.management-form input,.management-form select,.management-form textarea,.inline-form select{
width:100%;min-height:44px;padding:10px 12px;border:1px solid rgba(255,255,255,.13);
border-radius:11px;color:var(--text);background:rgba(4,8,15,.48)}
.management-form select option,.inline-form select option{color:#111}
.management-form textarea{min-height:85px;resize:vertical}
.form-grid-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.inline-form{display:flex;align-items:center;gap:8px}
.inline-form select{min-width:120px}
.compact-stats .feature-card{min-height:150px;align-items:center}
.compact-stats .feature-card:last-child{grid-column:auto}
@media(max-width:720px){.form-grid-two{grid-template-columns:1fr}.inline-form{align-items:stretch;flex-direction:column}}

.scale-row{display:grid;grid-template-columns:120px 120px minmax(160px,1fr) 150px;gap:10px;margin-bottom:10px}
.management-card small,.table-wrap small{display:block;margin-top:5px;color:var(--muted)}
.card-action[disabled]{opacity:.5;cursor:not-allowed}
@media(max-width:780px){.scale-row{grid-template-columns:1fr 1fr}.scale-row input:nth-child(3),.scale-row select{grid-column:span 2}}