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

:root {
    --brand-navy-900: #071a3d;
    --brand-navy-800: #0b2b61;
    --brand-navy-700: #143f82;
    --brand-gold-500: #d7b24a;
    --brand-gold-400: #e5c96f;
    --brand-gold-300: #f0ddb0;
    --green-500: #1f9d62;
    --green-400: #34c67a;
    --red-500: #cb4b4b;
    --amber-500: #d2911f;
}

html {
    color-scheme: dark;
}

html[data-theme="light"] {
    color-scheme: light;
}

html,
body {
    min-height: 100%;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Manrope', system-ui, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(215, 178, 74, 0.16), transparent 30%),
        linear-gradient(160deg, #041127 0%, #081d42 42%, #0d2f68 100%);
    color: var(--text-primary);
    line-height: 1.6;
}

html[data-theme="dark"] {
    --bg-page: #06142f;
    --bg-panel: rgba(9, 27, 60, 0.84);
    --bg-panel-strong: rgba(12, 35, 74, 0.94);
    --bg-elevated: rgba(19, 44, 88, 0.82);
    --surface-border: rgba(215, 178, 74, 0.18);
    --surface-border-strong: rgba(215, 178, 74, 0.34);
    --text-primary: #f6f8fc;
    --text-secondary: #b3c2de;
    --text-muted: #8ea3c7;
    --table-row: rgba(13, 34, 72, 0.7);
    --table-row-hover: rgba(20, 63, 130, 0.34);
    --shadow-soft: 0 18px 48px rgba(2, 8, 20, 0.28);
    --shadow-strong: 0 20px 60px rgba(1, 7, 18, 0.36);
    --input-bg: rgba(255, 255, 255, 0.04);
    --input-border: rgba(215, 178, 74, 0.24);
    --accent-primary: var(--brand-gold-500);
    --accent-secondary: #8eb0ea;
    --white: #f6f8fc;
    --gray-100: #e7ecf5;
    --gray-200: #b3c2de;
    --gray-700: #6b7d99;
    --gray-800: #3b4c68;
    --cyan-500: var(--brand-gold-500);
    --cyan-400: var(--brand-gold-400);
    --cyan-300: var(--brand-gold-300);
    --magenta-500: var(--brand-navy-700);
    --magenta-400: #79a4ee;
    --orange-500: #b88b2f;
}

html[data-theme="light"] {
    --bg-page: #f6f8fc;
    --bg-panel: rgba(255, 255, 255, 0.94);
    --bg-panel-strong: rgba(255, 255, 255, 0.98);
    --bg-elevated: rgba(245, 248, 252, 0.98);
    --surface-border: rgba(11, 43, 97, 0.12);
    --surface-border-strong: rgba(11, 43, 97, 0.2);
    --text-primary: #10284e;
    --text-secondary: #587096;
    --text-muted: #6f82a2;
    --table-row: rgba(255, 255, 255, 0.88);
    --table-row-hover: rgba(20, 63, 130, 0.08);
    --shadow-soft: 0 18px 40px rgba(12, 29, 62, 0.08);
    --shadow-strong: 0 22px 54px rgba(12, 29, 62, 0.14);
    --input-bg: rgba(16, 40, 78, 0.03);
    --input-border: rgba(11, 43, 97, 0.16);
    --accent-primary: var(--brand-navy-700);
    --accent-secondary: var(--brand-gold-500);
    --white: #10284e;
    --gray-100: #eaf0f9;
    --gray-200: #587096;
    --gray-700: #4d6487;
    --gray-800: #263f64;
    --cyan-500: var(--brand-navy-700);
    --cyan-400: var(--brand-navy-700);
    --cyan-300: #4468a5;
    --magenta-500: var(--brand-gold-500);
    --magenta-400: #c89d2f;
    --orange-500: #9d7a27;
}

a {
    color: inherit;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 286px;
    padding: 1.15rem;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, var(--bg-panel-strong) 0%, var(--bg-panel) 100%);
    border-right: 1px solid var(--surface-border);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-soft);
    z-index: 30;
}

.sidebar-header {
    padding: 0.5rem 0.35rem 1.25rem;
    border-bottom: 1px solid var(--surface-border);
}

.brand-banner-link {
    display: block;
}

.brand-banner {
    display: block;
    width: 100%;
    max-width: 220px;
    height: auto;
    object-fit: contain;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1.35rem 0 0.5rem;
}

.nav-section {
    margin-bottom: 1.7rem;
}

.nav-section h4 {
    margin: 0 0 0.85rem;
    padding: 0 0.75rem;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--text-muted);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.82rem;
    padding: 0.88rem 0.95rem;
    margin-bottom: 0.35rem;
    border-radius: 14px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.22s ease;
}

.nav-item:hover {
    background: rgba(215, 178, 74, 0.08);
    color: var(--text-primary);
    transform: translateX(2px);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(215, 178, 74, 0.18), rgba(20, 63, 130, 0.18));
    color: var(--text-primary);
    border: 1px solid var(--surface-border-strong);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.nav-item svg {
    flex-shrink: 0;
    stroke-width: 1.9;
}

.sidebar-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 1rem 0.25rem 0;
    border-top: 1px solid var(--surface-border);
}

.user-info {
    min-width: 0;
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.user-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-navy-700), var(--brand-gold-500));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    border: 2px solid rgba(255, 255, 255, 0.14);
}

.user-name {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.sidebar-actions {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.theme-toggle-btn,
.logout-btn {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid var(--surface-border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    background: var(--bg-elevated);
    color: var(--text-primary);
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.theme-toggle-btn:hover,
.logout-btn:hover {
    transform: translateY(-1px);
    border-color: var(--surface-border-strong);
}

.logout-btn {
    color: var(--red-500);
}

.main-content {
    margin-left: 286px;
    min-height: 100vh;
    padding: 2rem 2rem 2.4rem;
}

.flash-messages {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 40;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.alert {
    min-width: 300px;
    max-width: 420px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.95rem 1rem 0.95rem 1.1rem;
    border-radius: 14px;
    background: var(--bg-panel-strong);
    border: 1px solid var(--surface-border);
    box-shadow: var(--shadow-soft);
    color: var(--text-primary);
}

.alert-success { border-left: 4px solid var(--green-500); }
.alert-danger { border-left: 4px solid var(--red-500); }
.alert-info { border-left: 4px solid var(--accent-primary); }
.alert-warning { border-left: 4px solid var(--amber-500); }

.alert-close {
    border: 0;
    background: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
}

.page-header {
    margin-bottom: 1.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.page-title {
    margin: 0;
    font-size: clamp(2rem, 4vw, 2.65rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.82rem 1.2rem;
    border-radius: 12px;
    border: 1px solid transparent;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-navy-700), var(--brand-gold-500));
    color: #fff;
    box-shadow: 0 14px 28px rgba(11, 43, 97, 0.22);
}

.btn-secondary {
    background: var(--bg-elevated);
    border-color: var(--surface-border);
    color: var(--text-primary);
}

.btn-block {
    width: 100%;
}

.card,
.kpi-card,
.table-container {
    background: var(--bg-panel);
    border: 1px solid var(--surface-border);
    border-radius: 18px;
    box-shadow: var(--shadow-soft);
}

.card {
    padding: 1.5rem;
}

.kpi-card {
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-gold-500), var(--brand-navy-700));
}

.kpi-label {
    margin-bottom: 0.45rem;
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-muted);
}

.kpi-value {
    margin-bottom: 0.35rem;
    font-size: clamp(1.8rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--text-primary);
}

.kpi-subtitle {
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.table-container {
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    padding: 1rem;
    background: rgba(215, 178, 74, 0.08);
    text-align: left;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--surface-border);
}

tbody tr {
    background: var(--table-row);
    transition: background 0.2s ease;
}

tbody tr:hover {
    background: var(--table-row-hover);
}

tbody td {
    padding: 1rem;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.72rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.badge-sourcing {
    background: rgba(52, 198, 122, 0.12);
    color: var(--green-400);
    border: 1px solid rgba(52, 198, 122, 0.24);
}

.badge-due_diligence {
    background: rgba(210, 145, 31, 0.12);
    color: var(--amber-500);
    border: 1px solid rgba(210, 145, 31, 0.28);
}

.badge-negotiation {
    background: rgba(20, 63, 130, 0.16);
    color: var(--accent-secondary);
    border: 1px solid rgba(20, 63, 130, 0.24);
}

.badge-closing {
    background: rgba(215, 178, 74, 0.14);
    color: var(--brand-gold-500);
    border: 1px solid rgba(215, 178, 74, 0.26);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-label {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 700;
}

.form-control,
.form-select {
    width: 100%;
    padding: 0.86rem 0.95rem;
    border-radius: 12px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-primary);
    font: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: rgba(215, 178, 74, 0.45);
    box-shadow: 0 0 0 3px rgba(215, 178, 74, 0.12);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.auth-page {
    min-height: 100vh;
    padding: 2rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at top right, rgba(215, 178, 74, 0.16), transparent 25%),
        radial-gradient(circle at bottom left, rgba(20, 63, 130, 0.22), transparent 28%),
        linear-gradient(160deg, #041127 0%, #081d42 42%, #0d2f68 100%);
}

html[data-theme="light"] .auth-page {
    background:
        radial-gradient(circle at top right, rgba(215, 178, 74, 0.14), transparent 22%),
        radial-gradient(circle at bottom left, rgba(20, 63, 130, 0.12), transparent 28%),
        linear-gradient(180deg, #f5f8fc 0%, #eef3fb 100%);
}

.auth-shell {
    width: 100%;
    max-width: 520px;
}

.auth-topbar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1rem;
}

.public-theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    cursor: pointer;
}

html[data-theme="light"] .public-theme-toggle {
    color: var(--brand-navy-700);
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(11, 43, 97, 0.12);
}

.auth-card {
    padding: 2rem;
    border-radius: 24px;
    background: var(--bg-panel-strong);
    border: 1px solid var(--surface-border);
    box-shadow: var(--shadow-strong);
}

.auth-brand {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-logo {
    width: min(100%, 360px);
    height: auto;
    object-fit: contain;
}

.auth-eyebrow {
    margin: 0.95rem 0 0.2rem;
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.auth-title {
    margin: 0;
    font-size: 1.8rem;
    line-height: 1.1;
    color: var(--text-primary);
}

.auth-subtitle {
    margin: 0.5rem 0 0;
    color: var(--text-secondary);
}

.auth-links {
    margin-top: 1.15rem;
    text-align: center;
    color: var(--text-secondary);
}

.auth-links a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 700;
}

.auth-note {
    margin-top: 0.85rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.1rem;
    color: var(--text-secondary);
}

.password-group {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 0.9rem;
    top: 2.6rem;
    cursor: pointer;
}

.otp-label {
    margin-bottom: 0.75rem;
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    text-align: center;
}

.otp-wrapper {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.6rem;
}

.otp-box {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 14px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-primary);
    text-align: center;
    font-size: 1.4rem;
    font-weight: 800;
}

.otp-box:focus {
    outline: none;
    border-color: rgba(215, 178, 74, 0.45);
    box-shadow: 0 0 0 3px rgba(215, 178, 74, 0.12);
}

.invite-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
    margin-bottom: 1.35rem;
    padding: 1rem;
    border-radius: 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--surface-border);
}

.invite-summary span {
    display: block;
    margin-bottom: 0.2rem;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.invite-summary strong {
    color: var(--text-primary);
    word-break: break-word;
}

input[type="radio"] {
    accent-color: var(--accent-primary);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

@media (max-width: 980px) {
    .sidebar {
        position: static;
        width: auto;
        height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--surface-border);
    }

    .main-content {
        margin-left: 0;
        padding-top: 1.35rem;
    }
}

@media (max-width: 640px) {
    .main-content {
        padding: 1rem;
    }

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

    .auth-card {
        padding: 1.35rem;
    }

    .invite-summary {
        grid-template-columns: 1fr;
    }

    .otp-wrapper {
        gap: 0.45rem;
    }
}