:root {
    --bg: #f3f6fb;
    --panel: rgba(255, 255, 255, 0.9);
    --line: #d8dfeb;
    --text: #192235;
    --muted: #63708a;
    --navy: #0f2747;
    --teal: #0b8f8c;
    --sky: #3f7cf0;
    --gold: #d89c1d;
    --red: #d55656;
    --green: #2b9a66;
    --shadow: 0 20px 45px rgba(25, 34, 53, 0.08);
    --radius: 22px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(63, 124, 240, 0.18), transparent 28%),
        radial-gradient(circle at bottom right, rgba(11, 143, 140, 0.2), transparent 24%),
        var(--bg);
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
label { display: block; font-size: 0.9rem; margin-bottom: 0.35rem; color: var(--muted); }
button { cursor: pointer; }

.form-control,
.form-select {
    border-radius: 14px;
    border-color: var(--line);
    padding: 0.85rem 1rem;
    color: var(--text);
    background-color: rgba(255, 255, 255, 0.96);
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(63, 124, 240, 0.6);
    box-shadow: 0 0 0 0.22rem rgba(63, 124, 240, 0.16);
}

.btn {
    border-radius: 14px;
    padding: 0.8rem 1rem;
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(135deg, var(--sky), var(--teal));
    border: none;
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, #346de0, #097c79);
}

.btn-outline-primary {
    color: var(--sky);
    border-color: rgba(63, 124, 240, 0.35);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background: rgba(63, 124, 240, 0.08);
    color: var(--sky);
    border-color: rgba(63, 124, 240, 0.45);
}

.app-shell {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: linear-gradient(180deg, #0e1f37 0%, #13325d 100%);
    color: #f3f7ff;
    padding: 2rem 1.4rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.brand {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 0.03em;
}

.brand-subtitle {
    color: rgba(243, 247, 255, 0.72);
    line-height: 1.6;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.nav-links a {
    padding: 0.95rem 1rem;
    border-radius: 16px;
    color: rgba(243, 247, 255, 0.85);
    background: rgba(255, 255, 255, 0.04);
}

.nav-links a.active,
.nav-links a:hover {
    background: linear-gradient(135deg, rgba(63, 124, 240, 0.5), rgba(11, 143, 140, 0.4));
    color: #fff;
}

.user-panel {
    margin-top: auto;
    padding: 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
    display: grid;
    gap: 0.4rem;
}

.content {
    padding: 2rem;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.6rem;
}

.topbar h1 {
    margin: 0;
    font-size: 2rem;
}

.topbar p {
    margin: 0.4rem 0 0;
    color: var(--muted);
}

.topbar-chip {
    padding: 0.8rem 1rem;
    background: rgba(15, 39, 71, 0.08);
    border: 1px solid rgba(15, 39, 71, 0.08);
    border-radius: 999px;
}

.stats-grid,
.grid-two,
.grid-three,
.task-grid {
    display: grid;
    gap: 1.25rem;
}

.stats-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.grid-two { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 1.25rem; }
.grid-two.wide-left { grid-template-columns: 1.3fr 0.9fr; }
.grid-three {
    grid-template-columns: repeat(3, minmax(280px, 1fr));
    gap: 1.75rem;
    margin-top: 1.25rem;
    align-items: start;
}
.task-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.stat-card,
.panel,
.task-card,
.login-panel {
    background: var(--panel);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stat-card {
    padding: 1.3rem;
    display: grid;
    gap: 0.6rem;
}

.stat-card span { color: var(--muted); }
.stat-card strong { font-size: 2rem; }

.panel { padding: 1.5rem; }

.content > section + section {
    margin-top: 1.75rem;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.panel-head h2 {
    margin: 0;
    font-size: 1.15rem;
}

.panel-head a {
    color: var(--sky);
    font-weight: 600;
}

.table-wrap {
    overflow-x: auto;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

.table {
    margin-bottom: 0;
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(15, 39, 71, 0.02);
    --bs-table-hover-bg: rgba(63, 124, 240, 0.04);
}

.table > :not(caption) > * > * {
    border-bottom-color: var(--line);
}

th, td {
    text-align: left;
    padding: 0.95rem 0.75rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.4rem 0.8rem;
    font-size: 0.78rem;
    font-weight: 700;
}

.badge.slate { background: #edf2f8; color: #50617d; }
.badge.blue { background: #e8f0ff; color: #285ec7; }
.badge.amber { background: #fff2d8; color: #9f6502; }
.badge.red { background: #ffe4e4; color: #bf3838; }
.badge.green { background: #dff7ea; color: #137247; }

.timeline {
    display: grid;
    gap: 1rem;
}

.timeline-item {
    padding: 1rem;
    border-radius: 18px;
    background: #f8fbff;
    border: 1px solid #e7eef9;
}

.timeline-item strong,
.task-card h3 {
    display: block;
    margin-bottom: 0.4rem;
}

.timeline-item p,
.task-card p,
.task-description {
    margin: 0 0 0.5rem;
    color: var(--muted);
    line-height: 1.6;
}

.preserve-lines {
    white-space: normal;
}

.preserve-lines br {
    display: block;
    content: "";
    margin-top: 0.35rem;
}

.timeline-item span,
small,
.meta-row {
    color: var(--muted);
}

.cell-subtext {
    margin-top: 0.35rem;
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.5;
}

.task-card {
    padding: 1.2rem;
    min-width: 0;
}

.task-card.large {
    min-height: unset;
}

.task-card-actions {
    margin-top: 1rem;
}

.task-card-top,
.meta-row,
.bar-label,
.detail-grid,
.split,
.timeline-tags {
    display: flex;
    gap: 0.8rem;
}

.task-card-top,
.meta-row,
.bar-label {
    justify-content: space-between;
    align-items: center;
}

.detail-grid {
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.detail-grid > div {
    min-width: 180px;
    background: #f8fbff;
    padding: 0.9rem;
    border-radius: 16px;
}

.detail-grid span {
    display: block;
    color: var(--muted);
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.progress-track,
.bar-track {
    width: 100%;
    height: 10px;
    border-radius: 999px;
    background: #e8edf5;
    overflow: hidden;
}

.progress-track.big {
    height: 14px;
    margin-top: 1rem;
}

.progress-fill,
.bar-fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--sky), var(--teal));
}

.bar-fill.alt { background: linear-gradient(90deg, var(--gold), #efc658); }
.bar-fill.soft { background: linear-gradient(90deg, var(--teal), #56c7b1); }

.bar-row {
    display: grid;
    gap: 0.45rem;
    margin-bottom: 1rem;
}

.stack {
    display: grid;
    gap: 1rem;
}

.split > div { flex: 1; }
.split.three > div { flex: 1; }

.primary-button {
    background: linear-gradient(135deg, var(--sky), var(--teal));
    color: #fff;
    padding: 0.95rem 1.15rem;
    font-weight: 700;
}

.ghost-button {
    background: rgba(15, 39, 71, 0.08);
    color: var(--navy);
    padding: 0.85rem 1rem;
    font-weight: 700;
    border: 0;
    border-radius: 14px;
}

.full-width { width: 100%; }

.mini-form {
    display: grid;
    gap: 0.45rem;
    min-width: 210px;
}

.alert,
.login-flash {
    margin-bottom: 1rem;
    padding: 1rem 1.1rem;
    border-radius: 16px;
}

.alert.success,
.login-flash.success { background: #e1f7eb; color: #176b44; }
.alert.error,
.login-flash.error { background: #ffe8e8; color: #a13030; }

.login-page {
    min-height: 100vh;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1.5rem;
    align-items: center;
}

.hero {
    padding: 2.5rem;
    background: linear-gradient(145deg, rgba(15, 39, 71, 0.96), rgba(11, 143, 140, 0.9));
    color: white;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.05;
    margin: 0.6rem 0 1rem;
}

.hero p {
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.7;
}

.eyebrow {
    display: inline-block;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
}

.login-panel {
    padding: 2rem;
}

.login-credentials {
    margin-top: 2rem;
    display: grid;
    gap: 1rem;
}

.login-credentials div {
    padding: 1rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.1);
}

.info-list {
    display: grid;
    gap: 1rem;
}

.info-list div {
    display: grid;
    gap: 0.3rem;
    padding: 1rem;
    background: #f8fbff;
    border-radius: 18px;
}

.info-box {
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f8fbff;
    border: 1px solid #e7eef9;
    border-radius: 18px;
}

.info-box span {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.info-box p {
    margin: 0;
    color: var(--text);
    line-height: 1.6;
}

.secondary-form {
    margin-top: 1rem;
}

.compact-form {
    margin-top: 1rem;
}

@media (max-width: 1100px) {
    .app-shell,
    .login-page,
    .grid-two,
    .grid-two.wide-left,
    .grid-three,
    .stats-grid,
    .task-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        gap: 1.2rem;
    }

    .content {
        padding: 1.4rem;
    }
}

@media (max-width: 720px) {
    body {
        background:
            radial-gradient(circle at top left, rgba(63, 124, 240, 0.14), transparent 32%),
            var(--bg);
    }

    .app-shell {
        display: block;
    }

    .sidebar {
        padding: 1rem;
        gap: 1rem;
        position: static;
        border-bottom-left-radius: 24px;
        border-bottom-right-radius: 24px;
        margin-bottom: 0.75rem;
    }

    .nav-links {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.65rem;
    }

    .nav-links a {
        padding: 0.85rem 0.95rem;
    }

    .user-panel {
        margin-top: 0;
    }

    .content,
    .login-page {
        padding: 1rem;
    }

    .topbar {
        flex-direction: column;
        align-items: stretch;
        margin-bottom: 1rem;
    }

    .split,
    .task-card-top,
    .meta-row,
    .bar-label,
    .panel-head,
    .detail-grid,
    .timeline-tags {
        flex-direction: column;
        align-items: flex-start;
    }

    .panel,
    .stat-card,
    .task-card,
    .login-panel {
        border-radius: 18px;
    }

    .panel,
    .task-card,
    .stat-card {
        padding: 1rem;
    }

    .stats-grid,
    .grid-two,
    .grid-three,
    .task-grid,
    .timeline {
        gap: 1rem;
    }

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

    .task-card,
    .task-card.large {
        width: 100%;
        display: block;
    }

    .detail-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .detail-grid > div {
        min-width: 0;
        width: 100%;
    }

    table {
        min-width: 640px;
    }

    input, textarea, select, button {
        font-size: 16px;
    }

    .topbar-chip {
        width: 100%;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .login-page {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .content,
    .login-page,
    .sidebar {
        padding: 0.85rem;
    }

    .brand {
        font-size: 1.5rem;
    }

    .topbar h1 {
        font-size: 1.55rem;
    }

    .hero {
        padding: 1.5rem;
    }

    .hero h1 {
        font-size: 1.9rem;
    }

    .panel-head h2 {
        font-size: 1rem;
    }

    .badge {
        width: auto;
        max-width: 100%;
        white-space: normal;
    }
}