:root {
    --color-background: #f4f5f7;
    --color-surface: #ffffff;
    --color-surface-soft: #f8f9fa;
    --color-sidebar: #161719;
    --color-sidebar-soft: #222428;
    --color-text: #202226;
    --color-text-soft: #6b7078;
    --color-border: #e2e5e9;
    --color-primary: #d51f2a;
    --color-primary-dark: #a9141d;
    --color-primary-soft: #fff0f1;
    --color-success: #228b5b;
    --color-warning: #d99112;
    --color-danger: #c9232f;
    --shadow-small: 0 4px 18px rgba(23, 27, 34, 0.06);
    --shadow-medium: 0 18px 48px rgba(23, 27, 34, 0.12);
    --sidebar-width: 264px;
    --border-radius-small: 8px;
    --border-radius-medium: 14px;
    --border-radius-large: 22px;
    --transition: 160ms ease;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    color: var(--color-text);
    background: var(--color-background);
}

body {
    min-width: 900px;
    min-height: 100vh;
    margin: 0;
    background: var(--color-background);
}

button,
input {
    font: inherit;
}

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

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

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 20;
    display: flex;
    width: var(--sidebar-width);
    min-height: 100vh;
    flex-direction: column;
    padding: 24px 18px;
    color: #ffffff;
    background:
        radial-gradient(
            circle at 20% 0%,
            rgba(213, 31, 42, 0.22),
            transparent 30%
        ),
        var(--color-sidebar);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 3px 8px 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.brand-mark {
    display: inline-flex;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #ffffff;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.04em;
    background: var(--color-primary);
    box-shadow: 0 8px 20px rgba(213, 31, 42, 0.25);
}

.brand-mark-large {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    font-size: 24px;
}

.brand-copy {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 2px;
}

.brand-copy strong {
    font-size: 18px;
    line-height: 1.1;
}

.brand-copy span {
    color: rgba(255, 255, 255, 0.55);
    font-size: 12px;
}

.sidebar-section-label {
    padding: 27px 12px 11px;
    color: rgba(255, 255, 255, 0.38);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.sidebar-navigation {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.navigation-link {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 48px;
    padding: 8px 11px;
    border: 1px solid transparent;
    border-radius: 11px;
    color: rgba(255, 255, 255, 0.67);
    font-size: 14px;
    font-weight: 600;
    transition:
        color var(--transition),
        background var(--transition),
        border-color var(--transition);
}

.navigation-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
}

.navigation-link.is-active {
    color: #ffffff;
    border-color: rgba(213, 31, 42, 0.36);
    background: rgba(213, 31, 42, 0.16);
}

.navigation-icon {
    display: inline-flex;
    width: 30px;
    height: 30px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.05em;
    background: rgba(255, 255, 255, 0.08);
}

.navigation-link.is-active .navigation-icon {
    color: #ffffff;
    background: var(--color-primary);
}

.sidebar-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: auto;
    padding: 17px 13px 4px;
    border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.system-status-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #32c879;
    box-shadow: 0 0 0 5px rgba(50, 200, 121, 0.1);
}

.sidebar-footer div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-footer strong {
    font-size: 12px;
}

.sidebar-footer span {
    color: rgba(255, 255, 255, 0.45);
    font-size: 10px;
}

.application-area {
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
    margin-left: var(--sidebar-width);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    min-height: 82px;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    padding: 14px 34px;
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(14px);
}

.topbar-heading {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.topbar-kicker,
.section-kicker,
.login-card-kicker,
.presentation-kicker {
    color: var(--color-primary);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.topbar-heading h1 {
    margin: 0;
    font-size: 22px;
    letter-spacing: -0.03em;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 11px;
}

.user-avatar {
    display: inline-flex;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    color: var(--color-primary);
    font-weight: 800;
    background: var(--color-primary-soft);
}

.user-information {
    display: flex;
    min-width: 120px;
    flex-direction: column;
    gap: 2px;
}

.user-information strong {
    font-size: 13px;
}

.user-information span {
    color: var(--color-text-soft);
    font-size: 11px;
}

.logout-button {
    min-height: 38px;
    padding: 8px 13px;
    border: 1px solid var(--color-border);
    border-radius: 9px;
    color: var(--color-text-soft);
    font-size: 12px;
    font-weight: 700;
    background: #ffffff;
    cursor: pointer;
    transition:
        color var(--transition),
        border-color var(--transition),
        background var(--transition);
}

.logout-button:hover {
    color: var(--color-primary);
    border-color: #f0b4b8;
    background: var(--color-primary-soft);
}

.main-content {
    padding: 30px 34px 44px;
}

.flash-message {
    margin-bottom: 20px;
    padding: 13px 16px;
    border: 1px solid #bfe3cf;
    border-radius: 10px;
    color: #176941;
    font-size: 13px;
    font-weight: 600;
    background: #effaf4;
}

.welcome-panel,
.module-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    padding: 28px 30px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-large);
    background:
        linear-gradient(
            120deg,
            rgba(213, 31, 42, 0.045),
            transparent 45%
        ),
        var(--color-surface);
    box-shadow: var(--shadow-small);
}

.welcome-panel h2,
.module-hero h2 {
    margin: 7px 0 8px;
    font-size: 28px;
    letter-spacing: -0.045em;
}

.welcome-panel p,
.module-hero p {
    max-width: 690px;
    margin: 0;
    color: var(--color-text-soft);
    font-size: 14px;
    line-height: 1.65;
}

.date-panel {
    display: flex;
    min-width: 178px;
    flex-direction: column;
    gap: 4px;
    padding: 15px 18px;
    border-left: 3px solid var(--color-primary);
    border-radius: 4px 12px 12px 4px;
    background: var(--color-surface-soft);
}

.date-panel span {
    color: var(--color-text-soft);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.date-panel strong {
    font-size: 14px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.metric-card {
    min-height: 158px;
    padding: 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-medium);
    background: var(--color-surface);
    box-shadow: var(--shadow-small);
}

.metric-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    color: var(--color-text-soft);
    font-size: 12px;
    font-weight: 700;
}

.metric-marker,
.module-card-code {
    display: inline-flex;
    min-width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    color: var(--color-primary);
    font-size: 9px;
    font-weight: 800;
    background: var(--color-primary-soft);
}

.metric-marker-warning {
    color: #97620b;
    background: #fff7e5;
}

.metric-marker-danger {
    color: var(--color-danger);
    background: #fff0f1;
}

.metric-number {
    display: block;
    margin-top: 17px;
    font-size: 32px;
    line-height: 1;
    letter-spacing: -0.05em;
}

.metric-description {
    display: block;
    margin-top: 11px;
    color: var(--color-text-soft);
    font-size: 11px;
}

.dashboard-section {
    margin-top: 31px;
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 14px;
}

.section-heading h2 {
    margin: 5px 0 0;
    font-size: 20px;
    letter-spacing: -0.03em;
}

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

.module-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 14px;
    min-height: 126px;
    padding: 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-medium);
    background: var(--color-surface);
    box-shadow: var(--shadow-small);
    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.module-card:hover {
    transform: translateY(-2px);
    border-color: #efb6ba;
    box-shadow: var(--shadow-medium);
}

.module-card h3 {
    margin: 0 0 6px;
    font-size: 15px;
}

.module-card p {
    margin: 0;
    color: var(--color-text-soft);
    font-size: 12px;
    line-height: 1.55;
}

.module-arrow {
    color: var(--color-primary);
    font-size: 22px;
    transition: transform var(--transition);
}

.module-card:hover .module-arrow {
    transform: translateX(3px);
}

.module-state-badge {
    flex: 0 0 auto;
    padding: 9px 13px;
    border: 1px solid #efc2c5;
    border-radius: 999px;
    color: var(--color-primary);
    font-size: 11px;
    font-weight: 800;
    background: var(--color-primary-soft);
}

.module-content-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 18px;
    margin-top: 20px;
}

.empty-state-card,
.feature-card {
    padding: 27px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-medium);
    background: var(--color-surface);
    box-shadow: var(--shadow-small);
}

.empty-state-card {
    display: flex;
    min-height: 230px;
    align-items: center;
    gap: 24px;
}

.empty-state-icon {
    display: inline-flex;
    width: 78px;
    height: 78px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border-radius: 21px;
    color: var(--color-primary);
    font-size: 18px;
    font-weight: 900;
    letter-spacing: -0.03em;
    background: var(--color-primary-soft);
}

.empty-state-card h3,
.feature-card h3 {
    margin: 7px 0 9px;
    font-size: 20px;
    letter-spacing: -0.025em;
}

.empty-state-card p {
    max-width: 580px;
    margin: 0;
    color: var(--color-text-soft);
    font-size: 13px;
    line-height: 1.65;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 13px;
    margin: 21px 0 0;
    padding: 0;
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-soft);
    font-size: 13px;
}

.feature-check {
    display: inline-flex;
    width: 23px;
    height: 23px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    color: var(--color-success);
    font-size: 11px;
    font-weight: 900;
    background: #edf9f3;
}

.primary-button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border: 0;
    border-radius: 10px;
    color: #ffffff;
    font-size: 13px;
    font-weight: 800;
    background: var(--color-primary);
    box-shadow: 0 10px 22px rgba(213, 31, 42, 0.2);
    cursor: pointer;
    transition:
        background var(--transition),
        transform var(--transition);
}

.primary-button:hover {
    transform: translateY(-1px);
    background: var(--color-primary-dark);
}

/* Login */

.login-body {
    min-width: 900px;
    min-height: 100vh;
    background: #111214;
}

.login-shell {
    display: grid;
    min-height: 100vh;
    grid-template-columns: minmax(430px, 1.1fr) minmax(430px, 0.9fr);
}

.login-presentation {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    padding: 42px 52px;
    color: #ffffff;
    background:
        radial-gradient(
            circle at 20% 20%,
            rgba(213, 31, 42, 0.3),
            transparent 34%
        ),
        radial-gradient(
            circle at 80% 75%,
            rgba(213, 31, 42, 0.12),
            transparent 30%
        ),
        #151618;
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.login-brand div:last-child {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.login-brand strong {
    font-size: 18px;
}

.login-brand span {
    color: rgba(255, 255, 255, 0.52);
    font-size: 12px;
}

.login-presentation-content {
    max-width: 680px;
    margin: auto 0;
    padding: 60px 0;
}

.login-presentation-content h1 {
    margin: 13px 0 19px;
    font-size: clamp(38px, 4vw, 64px);
    line-height: 1.05;
    letter-spacing: -0.055em;
}

.login-presentation-content > p {
    max-width: 590px;
    margin: 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 15px;
    line-height: 1.75;
}

.presentation-points {
    display: grid;
    gap: 11px;
    margin-top: 34px;
}

.presentation-points div {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 13px;
    font-weight: 600;
}

.presentation-points span {
    display: inline-flex;
    width: 31px;
    height: 31px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #ffffff;
    font-size: 9px;
    font-weight: 800;
    background: rgba(213, 31, 42, 0.74);
}

.login-presentation-footer {
    color: rgba(255, 255, 255, 0.35);
    font-size: 11px;
}

.login-form-area {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: 46px;
    background: #f6f7f8;
}

.login-card {
    width: min(100%, 430px);
    padding: 37px;
    border: 1px solid var(--color-border);
    border-radius: 22px;
    background: #ffffff;
    box-shadow: var(--shadow-medium);
}

.login-card-header h2 {
    margin: 7px 0 8px;
    font-size: 30px;
    letter-spacing: -0.045em;
}

.login-card-header p {
    margin: 0;
    color: var(--color-text-soft);
    font-size: 13px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 29px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.form-field label {
    font-size: 12px;
    font-weight: 750;
}

.form-field input {
    width: 100%;
    height: 48px;
    padding: 0 14px;
    border: 1px solid #d9dde2;
    border-radius: 10px;
    outline: none;
    color: var(--color-text);
    background: #ffffff;
    transition:
        border-color var(--transition),
        box-shadow var(--transition);
}

.form-field input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(213, 31, 42, 0.08);
}

.form-field input.has-error {
    border-color: var(--color-danger);
}

.field-error {
    color: var(--color-danger);
    font-size: 11px;
    line-height: 1.45;
}

.remember-option {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    gap: 8px;
    color: var(--color-text-soft);
    font-size: 12px;
    cursor: pointer;
}

.remember-option input {
    width: 15px;
    height: 15px;
    accent-color: var(--color-primary);
}

.login-submit {
    width: 100%;
    margin-top: 2px;
}

.login-security-note {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin-top: 23px;
    padding-top: 19px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-soft);
    font-size: 10px;
    line-height: 1.55;
}

.security-dot {
    width: 7px;
    height: 7px;
    flex: 0 0 auto;
    margin-top: 4px;
    border-radius: 50%;
    background: var(--color-success);
}

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

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

    .module-content-grid {
        grid-template-columns: 1fr;
    }

    .login-presentation {
        padding-right: 38px;
        padding-left: 38px;
    }
}