/* ============================================================
   CARBONOUGHT 2.0 — "Deep Ocean Glass" design system
   Glassmorphism over a living dark-teal ocean gradient.
   ============================================================ */

:root {
    /* palette */
    --bg-950: #04090c;
    --bg-900: #071316;
    --bg-800: #0d1f24;
    --bg-700: #122b32;
    --accent-500: #14b87a;
    --accent-400: #2dd695;
    --accent-600: #0f9d68;
    --cyan-500: #0ea5b7;
    --cyan-400: #22c3d6;
    --amber-400: #f5b544;
    --rose-400: #f26d7e;
    --violet-400: #9d8cff;

    --ink-100: #eef6f3;
    --ink-300: #b7cdc6;
    --ink-500: #7e9a92;

    /* glass */
    --glass-bg: rgba(13, 31, 36, 0.52);
    --glass-bg-strong: rgba(13, 31, 36, 0.78);
    --glass-border: rgba(255, 255, 255, 0.09);
    --glass-highlight: rgba(255, 255, 255, 0.16);
    --glass-shadow: 0 18px 45px rgba(2, 8, 10, 0.55);

    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 11px;

    --font-head: 'Space Grotesk', sans-serif;
    --font-body: 'Manrope', sans-serif;

    --sidebar-w: 264px;
}

/* ------------------------------------------------ base */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.app-body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-body);
    color: var(--ink-100);
    background: var(--bg-950);
    overflow-x: hidden;
}

/* animated ocean backdrop */
.ocean-bg {
    position: fixed;
    inset: 0;
    z-index: -3;
    background:
        radial-gradient(1100px 700px at 85% -10%, rgba(14, 165, 183, 0.16), transparent 60%),
        radial-gradient(900px 640px at -10% 30%, rgba(20, 184, 122, 0.15), transparent 55%),
        radial-gradient(700px 700px at 60% 110%, rgba(157, 140, 255, 0.08), transparent 60%),
        linear-gradient(160deg, var(--bg-900) 0%, var(--bg-950) 70%);
}

.ocean-bg::before,
.ocean-bg::after {
    content: '';
    position: absolute;
    width: 60vmax;
    height: 60vmax;
    border-radius: 50%;
    filter: blur(90px);
    opacity: .35;
    animation: drift 26s ease-in-out infinite alternate;
}

.ocean-bg::before {
    background: radial-gradient(circle, rgba(20, 184, 122, 0.25), transparent 65%);
    top: -22vmax; right: -18vmax;
}

.ocean-bg::after {
    background: radial-gradient(circle, rgba(14, 165, 183, 0.22), transparent 65%);
    bottom: -25vmax; left: -15vmax;
    animation-delay: -13s;
}

@keyframes drift {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(6vmax, 4vmax, 0) scale(1.15); }
}

#bubbleCanvas {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
    .ocean-bg::before, .ocean-bg::after { animation: none; }
    #bubbleCanvas { display: none; }
    * { transition: none !important; }
}

/* ------------------------------------------------ typography */
h1, h2, h3, h4, h5, .font-head { font-family: var(--font-head); color: var(--ink-100); }

.page-title {
    font-size: clamp(1.35rem, 2.6vw, 1.9rem);
    font-weight: 700;
    letter-spacing: -.02em;
    margin: 0;
}

.page-subtitle { color: var(--ink-500); font-size: .92rem; margin: .2rem 0 0; }

.text-muted { color: var(--ink-500) !important; }

a { color: var(--accent-400); text-decoration: none; }
a:hover { color: var(--cyan-400); }

/* ------------------------------------------------ glass primitives */
.glass, .card {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    backdrop-filter: blur(18px) saturate(150%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    color: var(--ink-100);
    position: relative;
}

.glass::before, .card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
    border-radius: inherit;
    pointer-events: none;
}

.card { overflow: hidden; }
.card-body { position: relative; }

.glass-panel { padding: 1.4rem 1.5rem; }

/* ------------------------------------------------ layout */
.main-content {
    padding: 1.4rem clamp(0.9rem, 3vw, 2.2rem) 5.5rem;
    min-height: 100vh;
    transition: margin .25s ease;
}

.main-content.with-sidebar { margin-left: var(--sidebar-w); }

.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .9rem;
    margin-bottom: 1.4rem;
}

.page-header .actions { display: flex; gap: .55rem; flex-wrap: wrap; }

/* ------------------------------------------------ sidebar */
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-w);
    padding: 1.1rem .95rem 1.2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: rgba(7, 19, 22, 0.72);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    backdrop-filter: blur(22px) saturate(160%);
    border-right: 1px solid var(--glass-border);
    z-index: 1040;
    overflow-y: auto;
    transition: transform .28s ease;
}

.brand-wrap { text-align: center; padding: .3rem 0 1rem; }
.brand-logo { max-width: 158px; width: 80%; filter: drop-shadow(0 4px 16px rgba(20,184,122,.35)); animation: floaty 6s ease-in-out infinite; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
.brand-subtitle { color: var(--ink-500); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; margin-top: .45rem; }

.nav-links { display: flex; flex-direction: column; gap: .15rem; }

.sidebar-heading {
    color: var(--ink-500) !important;
    font-size: .68rem;
    letter-spacing: .18em;
    text-transform: uppercase;
}

.sidebar-link {
    display: flex;
    align-items: center;
    color: var(--ink-300);
    padding: .58rem .85rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: .9rem;
    border: 1px solid transparent;
    transition: all .18s ease;
}

.sidebar-link i { width: 1.45rem; text-align: center; opacity: .85; }

.sidebar-link:hover {
    color: var(--ink-100);
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(3px);
}

.sidebar-link.active {
    color: #06231a;
    background: linear-gradient(120deg, var(--accent-400), var(--accent-600));
    box-shadow: 0 6px 20px rgba(20, 184, 122, 0.35);
    border-color: rgba(255, 255, 255, 0.18);
}

.sidebar-link.active i { opacity: 1; }

.logout-link { color: var(--rose-400); margin-top: .4rem; }
.logout-link:hover { background: rgba(242, 109, 126, 0.12); color: var(--rose-400); }

.company-brand {
    position: relative;
    margin: 0 1rem .75rem;
    padding: 14px 16px;
    text-align: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--glass-shadow);
    -webkit-backdrop-filter: blur(14px) saturate(120%);
    backdrop-filter: blur(14px) saturate(120%);
    overflow: hidden;
}
.company-brand::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
}
.company-brand img {
    display: block;
    width: 100%;
    max-height: 54px;
    object-fit: contain;
    /* render any uploaded logo as a clean monochrome mark that reads on dark glass */
    filter: brightness(0) invert(1) drop-shadow(0 1px 7px rgba(45, 214, 149, .28));
    opacity: .93;
}

/* analytics insight list */
.insight-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.insight-list li { display: flex; gap: .65rem; align-items: flex-start; color: var(--ink-300); line-height: 1.55; }
.insight-list li i { color: var(--accent-400); margin-top: .3rem; font-size: .82rem; flex: none; }
.insight-list li span { flex: 1; }

.sidebar-toggle {
    display: none;
    position: fixed;
    top: .85rem; left: .85rem;
    z-index: 1060;
    width: 42px; height: 42px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg-strong);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    color: var(--ink-100);
    font-size: 1rem;
}

.sidebar-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(2, 8, 10, 0.6);
    z-index: 1035;
}

/* ------------------------------------------------ stat cards */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
    gap: .95rem;
}

.stat-card {
    padding: 1.05rem 1.15rem;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: .3rem;
    min-height: 118px;
    transform-style: preserve-3d;
    will-change: transform;
    transition: transform .15s ease, box-shadow .25s ease;
}

.stat-card:hover { box-shadow: 0 22px 50px rgba(2, 8, 10, 0.65); }

.stat-card .stat-icon {
    width: 40px; height: 40px;
    display: grid; place-items: center;
    border-radius: 12px;
    font-size: 1.02rem;
    margin-bottom: .25rem;
    transform: translateZ(24px);
}

.stat-card .stat-label {
    color: var(--ink-500);
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    transform: translateZ(14px);
}

.stat-card .stat-value {
    font-family: var(--font-head);
    font-size: clamp(1.25rem, 2vw, 1.6rem);
    font-weight: 700;
    letter-spacing: -.02em;
    transform: translateZ(30px);
}

.stat-card .stat-sub { color: var(--ink-500); font-size: .74rem; transform: translateZ(10px); }

.tint-green  .stat-icon { background: rgba(20,184,122,.16); color: var(--accent-400); }
.tint-green  .stat-value { color: var(--accent-400); }
.tint-cyan   .stat-icon { background: rgba(14,165,183,.16); color: var(--cyan-400); }
.tint-cyan   .stat-value { color: var(--cyan-400); }
.tint-amber  .stat-icon { background: rgba(245,181,68,.15); color: var(--amber-400); }
.tint-amber  .stat-value { color: var(--amber-400); }
.tint-rose   .stat-icon { background: rgba(242,109,126,.15); color: var(--rose-400); }
.tint-rose   .stat-value { color: var(--rose-400); }
.tint-violet .stat-icon { background: rgba(157,140,255,.15); color: var(--violet-400); }
.tint-violet .stat-value { color: var(--violet-400); }
.tint-plain  .stat-icon { background: rgba(255,255,255,.08); color: var(--ink-100); }
.tint-plain  .stat-value { color: var(--ink-100); }

/* net position hero */
.net-hero {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: center;
    padding: 1.3rem 1.5rem;
    border-radius: var(--radius-lg);
    background:
        linear-gradient(120deg, rgba(20,184,122,.14), rgba(14,165,183,.10) 55%, transparent),
        var(--glass-bg);
}

.offset-track {
    height: 10px; border-radius: 99px;
    background: rgba(255,255,255,.08);
    overflow: hidden;
    margin-top: .55rem;
}

.offset-fill {
    height: 100%; border-radius: 99px;
    background: linear-gradient(90deg, var(--accent-600), var(--accent-400), var(--cyan-400));
    box-shadow: 0 0 14px rgba(20,184,122,.7);
    width: 0;
    transition: width 1.1s cubic-bezier(.25,.9,.3,1.2);
}

/* ------------------------------------------------ buttons */
.btn { border-radius: 12px; font-weight: 700; letter-spacing: .015em; }

.btn-primary, .btn-success {
    background: linear-gradient(120deg, var(--accent-400), var(--accent-600));
    border: none;
    color: #06231a;
    box-shadow: 0 8px 22px rgba(20, 184, 122, 0.32);
}

.btn-primary:hover, .btn-success:hover {
    background: linear-gradient(120deg, var(--accent-500), var(--accent-600));
    color: #06231a;
    transform: translateY(-1px);
    box-shadow: 0 12px 26px rgba(20, 184, 122, 0.42);
}

.btn-outline-light, .btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    color: var(--ink-100);
}

.btn-outline-light:hover, .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--ink-100);
    border-color: var(--glass-highlight);
}

.btn-warning {
    background: rgba(245, 181, 68, 0.16);
    border: 1px solid rgba(245, 181, 68, 0.4);
    color: var(--amber-400);
}
.btn-warning:hover { background: rgba(245,181,68,.28); color: #ffd98a; }

.btn-danger {
    background: rgba(242, 109, 126, 0.14);
    border: 1px solid rgba(242, 109, 126, 0.4);
    color: var(--rose-400);
}
.btn-danger:hover { background: rgba(242,109,126,.26); color: #ff9daa; }

.btn-info {
    background: rgba(14,165,183,.15);
    border: 1px solid rgba(14,165,183,.4);
    color: var(--cyan-400);
}
.btn-info:hover { background: rgba(14,165,183,.3); color: #7fe3f0; }

/* ------------------------------------------------ forms */
.form-label { color: var(--ink-300); font-weight: 600; font-size: .84rem; margin-bottom: .3rem; }

.form-control, .form-select {
    background: rgba(4, 12, 15, 0.55);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--ink-100);
    padding: .62rem .85rem;
    transition: border-color .18s ease, box-shadow .18s ease;
}

.form-control:focus, .form-select:focus {
    background: rgba(4, 12, 15, 0.72);
    border-color: var(--accent-500);
    box-shadow: 0 0 0 .2rem rgba(20, 184, 122, 0.18);
    color: var(--ink-100);
}

.form-control::placeholder { color: var(--ink-500); }
.form-control[readonly] { background: rgba(255,255,255,.045); color: var(--ink-300); }

.form-select option { background: var(--bg-800); color: var(--ink-100); }

input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(.8); }

/* ------------------------------------------------ tables */
.table-glass-wrap {
    border-radius: var(--radius-lg);
    overflow: auto;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    backdrop-filter: blur(18px) saturate(150%);
}

.table {
    margin: 0;
    color: var(--ink-100);
    --bs-table-bg: transparent;
    --bs-table-color: var(--ink-100);
    --bs-table-striped-bg: rgba(255, 255, 255, 0.028);
    --bs-table-striped-color: var(--ink-100);
    --bs-table-hover-bg: rgba(20, 184, 122, 0.07);
    --bs-table-hover-color: var(--ink-100);
    font-size: .88rem;
}

.table thead th {
    background: rgba(4, 12, 15, 0.6);
    color: var(--ink-500);
    font-size: .7rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--glass-border);
    padding: .75rem .85rem;
    white-space: nowrap;
    position: sticky; top: 0; z-index: 2;
}

.table tbody td { border-color: rgba(255, 255, 255, 0.05); padding: .68rem .85rem; vertical-align: middle; }

.badge { font-weight: 700; letter-spacing: .03em; border-radius: 8px; }
.badge.bg-secondary { background: rgba(255,255,255,.1) !important; color: var(--ink-300); }
.badge-soft-green { background: rgba(20,184,122,.16); color: var(--accent-400); }
.badge-soft-cyan { background: rgba(14,165,183,.16); color: var(--cyan-400); }
.badge-soft-amber { background: rgba(245,181,68,.16); color: var(--amber-400); }
.badge-soft-rose { background: rgba(242,109,126,.16); color: var(--rose-400); }

/* ------------------------------------------------ alerts */
.alert {
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg-strong);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    color: var(--ink-100);
    animation: slideDown .35s ease;
}

@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

.alert-success { border-left: 3px solid var(--accent-400); }
.alert-danger, .alert-error { border-left: 3px solid var(--rose-400); }
.alert-warning { border-left: 3px solid var(--amber-400); }
.alert-info { border-left: 3px solid var(--cyan-400); }
.alert .btn-close { filter: invert(1) grayscale(1); }

/* ------------------------------------------------ login */
.login-viewport {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.2rem;
}

.login-card {
    width: min(430px, 100%);
    padding: 2.1rem 2rem 1.8rem;
    text-align: center;
    animation: rise .6s cubic-bezier(.2,.9,.3,1.15);
}

@keyframes rise { from { opacity: 0; transform: translateY(22px) scale(.97); } to { opacity: 1; transform: none; } }

.login-card .brand-logo { max-width: 200px; }

.captcha-row { display: flex; gap: .6rem; align-items: center; justify-content: center; }
.captcha-row img { border-radius: 10px; border: 1px solid var(--glass-border); }

/* ------------------------------------------------ charts */
.chart-card { padding: 1.15rem 1.25rem; }
.chart-card h5 { font-size: .95rem; margin-bottom: .9rem; }
.chart-box { position: relative; min-height: 260px; }

/* ------------------------------------------------ misc */
.divider { border: none; border-top: 1px solid var(--glass-border); margin: 1.3rem 0; }

.chip {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .3rem .7rem;
    border-radius: 99px;
    background: rgba(255,255,255,.06);
    border: 1px solid var(--glass-border);
    color: var(--ink-300);
    font-size: .76rem; font-weight: 700;
}

.empty-state {
    text-align: center;
    color: var(--ink-500);
    padding: 2.6rem 1rem;
}
.empty-state i { font-size: 2rem; opacity: .5; margin-bottom: .6rem; display: block; }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.14); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(20,184,122,.5); }

/* ------------------------------------------------ mobile */
@media (max-width: 992px) {
    .main-content.with-sidebar { margin-left: 0; padding-top: 4.2rem; }

    .sidebar { transform: translateX(-104%); width: min(300px, 86vw); }
    body.sidebar-open .sidebar { transform: none; box-shadow: 30px 0 80px rgba(0,0,0,.5); }
    body.sidebar-open .sidebar-backdrop { display: block; }

    .sidebar-toggle { display: grid; place-items: center; }

    .stat-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: .7rem; }
    .stat-card { min-height: 104px; padding: .85rem .9rem; }
    .net-hero { grid-template-columns: 1fr; }
    .page-header { margin-top: .4rem; }
}

@media (max-width: 576px) {
    .glass-panel { padding: 1.05rem .95rem; }
    .table { font-size: .8rem; }
    .btn { font-size: .86rem; }
}

/* ------------------------------------------------ print (report page) */
@media print {
    .sidebar, .sidebar-toggle, .ocean-bg, #bubbleCanvas, .no-print { display: none !important; }
    .main-content.with-sidebar { margin: 0; }
    body.app-body { background: #fff; color: #111; }
    .glass, .card { background: #fff; border: 1px solid #ddd; box-shadow: none; }
}