/*
 * حقوق المساهمين — base application stylesheet.
 * No external fonts/CDN/build step: system font stack + plain CSS custom properties.
 * Direction-specific overrides (sidebar side, text-align, margin/padding flips) live in
 * rtl.css / ltr.css, loaded conditionally by layouts/main.php based on $dir.
 */

:root {
    /* Brand palette */
    --color-primary: #1e5f8c;
    --color-primary-dark: #164a6e;
    --color-primary-light: #e8f1f8;
    --color-accent: #2f9e6f;
    --color-danger: #d64545;
    --color-danger-light: #fbeaea;
    --color-warning: #d68a2b;
    --color-warning-light: #fbf1e2;
    --color-success: #2f9e6f;
    --color-success-light: #e7f6ef;
    --color-info: #2f7fbf;
    --color-info-light: #e8f2fb;

    /* Neutrals */
    --color-bg: #f4f6f9;
    --color-surface: #ffffff;
    --color-border: #e2e6ec;
    --color-text: #1f2733;
    --color-text-muted: #6b7688;
    --color-text-inverse: #ffffff;

    /* Sidebar */
    --sidebar-bg: #16273b;
    --sidebar-bg-active: #1e5f8c;
    --sidebar-text: #cfd8e3;
    --sidebar-text-muted: #8593a8;
    --sidebar-width: 260px;
    --topbar-height: 64px;

    /* Spacing scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;

    /* Misc */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
    --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.08);
    --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.14);
    --transition: 0.18s ease;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Tahoma", "Helvetica Neue",
        Arial, "Noto Sans Arabic", sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--space-3);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 var(--space-3); }

/* ---------- App shell layout ---------- */

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

.sidebar {
    width: var(--sidebar-width);
    flex: 0 0 var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 30;
    transition: transform var(--transition);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-4);
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
    flex-shrink: 0;
}

.nav {
    list-style: none;
    margin: 0;
    padding: var(--space-3) 0;
    flex: 1;
}

.nav-section-label {
    padding: var(--space-4) var(--space-4) var(--space-1);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--sidebar-text-muted);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--sidebar-text);
    font-size: 0.94rem;
    border-inline-start: 3px solid transparent;
    transition: background var(--transition), color var(--transition);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    text-decoration: none;
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-inline-start-color: var(--color-primary);
    font-weight: 600;
}

.nav-icon {
    width: 18px;
    text-align: center;
    flex-shrink: 0;
    opacity: 0.9;
}

.nav-disabled {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--sidebar-text-muted);
    font-size: 0.94rem;
    cursor: default;
}

.sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.lang-switch {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.lang-switch a {
    flex: 1;
    text-align: center;
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    color: var(--sidebar-text);
    font-size: 0.82rem;
}

.lang-switch a.active {
    background: var(--color-primary);
    color: #fff;
}

.lang-switch a:hover {
    text-decoration: none;
    color: #fff;
}

.logout-form button {
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    color: var(--sidebar-text);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.logout-form button:hover {
    background: var(--color-danger);
    color: #fff;
    border-color: var(--color-danger);
}

.main-wrap {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: var(--topbar-height);
    flex: 0 0 var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: 0 var(--space-5);
    position: sticky;
    top: 0;
    z-index: 20;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--color-text);
    padding: var(--space-1) var(--space-2);
}

.topbar-title {
    font-weight: 700;
    font-size: 1.05rem;
    flex: 1;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.topbar-user strong {
    color: var(--color-text);
}

.content {
    flex: 1;
    padding: var(--space-5);
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 33, 0.45);
    z-index: 25;
}

/* ---------- Cards ---------- */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--space-5);
    margin-bottom: var(--space-5);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.card-header h2, .card-header h3 {
    margin: 0;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-4);
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-5);
    box-shadow: var(--shadow-sm);
}

.stat-card .stat-label {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--space-2);
}

.stat-card .stat-value {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: #fff;
}

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

.btn-secondary:hover {
    background: var(--color-bg);
}

.btn-danger {
    background: var(--color-danger);
    color: #fff;
}

.btn-danger:hover {
    background: #b93838;
    color: #fff;
}

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: 0.82rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ---------- Forms ---------- */

.form-group {
    margin-bottom: var(--space-4);
}

.form-group--actions {
    margin-top: var(--space-6);
    display: flex;
    gap: var(--space-3);
}

label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--color-text);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.form-error {
    font-size: 0.8rem;
    color: var(--color-danger);
    margin-top: var(--space-1);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: var(--space-3);
    font-family: inherit;
    font-size: 0.94rem;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

textarea {
    resize: vertical;
    min-height: 90px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

/* ---------- Tables ---------- */

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

thead th {
    text-align: start;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg);
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

tbody td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

tbody tr:hover {
    background: var(--color-bg);
}

/* ---------- Alerts / Flash messages ---------- */

.alert {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    margin-bottom: var(--space-4);
    font-size: 0.9rem;
}

.alert-success {
    background: var(--color-success-light);
    border-color: rgba(47, 158, 111, 0.35);
    color: #1e6b4d;
}

.alert-error {
    background: var(--color-danger-light);
    border-color: rgba(214, 69, 69, 0.35);
    color: #a83232;
}

.alert-warning {
    background: var(--color-warning-light);
    border-color: rgba(214, 138, 43, 0.35);
    color: #93601c;
}

.alert-info {
    background: var(--color-info-light);
    border-color: rgba(47, 127, 191, 0.35);
    color: #235f8f;
}

.alert-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    color: inherit;
    opacity: 0.6;
}

.alert-close:hover {
    opacity: 1;
}

/* ---------- Badges ---------- */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-3);
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 600;
    background: var(--color-bg);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.badge-primary { background: var(--color-primary-light); color: var(--color-primary-dark); border-color: transparent; }
.badge-success { background: var(--color-success-light); color: #1e6b4d; border-color: transparent; }
.badge-warning { background: var(--color-warning-light); color: #93601c; border-color: transparent; }
.badge-danger { background: var(--color-danger-light); color: #a83232; border-color: transparent; }

/* ---------- Utility ---------- */

.text-muted { color: var(--color-text-muted); }
.text-warning { color: #93601c; }
.text-danger { color: var(--color-danger); }
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: var(--space-4); }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }

/* ---------- Auth / standalone pages (login, errors) ---------- */

.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    background: linear-gradient(160deg, var(--color-primary-dark), var(--color-primary));
    padding: var(--space-5);
}

.auth-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-7) var(--space-6);
    width: 100%;
    max-width: 420px;
}

.auth-page__lang-switch {
    display: flex;
    gap: var(--space-2);
    font-size: 0.85rem;
}

.auth-page__lang-switch a {
    color: rgba(255, 255, 255, 0.75);
}

.auth-page__lang-switch a.is-active {
    color: #fff;
    font-weight: 700;
}

.auth-page__lang-switch a:hover {
    color: #fff;
}

.auth-page__lang-sep {
    color: rgba(255, 255, 255, 0.4);
}

.auth-page__footer {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
}

.error-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-6);
    background: var(--color-bg);
}

.error-page .error-code {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
    .sidebar-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .sidebar {
        position: fixed;
        top: 0;
        bottom: 0;
        height: 100vh;
    }

    .content {
        padding: var(--space-4);
    }

    .topbar {
        padding: 0 var(--space-4);
    }
}

@media (max-width: 600px) {
    .auth-card {
        padding: var(--space-5) var(--space-4);
    }

    .topbar-user span.hide-mobile {
        display: none;
    }
}

/* ---------- Phase 2: Projects / Equity types / Ledger ---------- */

/* Filter/search bar (projects index) */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.filter-bar .form-group {
    margin-bottom: 0;
    min-width: 180px;
}

.filter-bar__search {
    flex: 1 1 240px;
}

/* Project cards grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-4);
}

.project-card {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.project-card__image,
.project-card__image-placeholder {
    width: 100%;
    height: 140px;
    object-fit: cover;
    background: var(--color-primary-light);
}

.project-card__image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 2rem;
    font-weight: 700;
}

.project-card__body {
    padding: var(--space-4);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.project-card__title {
    margin: 0;
    font-size: 1.05rem;
    color: var(--color-text);
}

.project-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* Project profile header */
.project-header {
    display: flex;
    gap: var(--space-5);
    flex-wrap: wrap;
}

.project-header__image,
.project-header__image-placeholder {
    width: 200px;
    height: 140px;
    flex: 0 0 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
}

.project-header__image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 2.4rem;
    font-weight: 700;
}

.project-header__info {
    flex: 1;
    min-width: 220px;
}

.project-header__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: center;
    margin-top: var(--space-2);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.project-header__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

/* Status badges reuse .badge-success/.badge-warning/.badge-danger */

/* Balance-integrity pill (project show + ledger index) */
.balance-check {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-5);
    align-items: center;
}

.balance-check__stat {
    min-width: 120px;
}

.balance-check__stat-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.balance-check__stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.balance-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid transparent;
}

.balance-pill--neutral {
    background: var(--color-bg);
    color: var(--color-text-muted);
    border-color: var(--color-border);
}

.balance-pill--balanced {
    background: var(--color-success-light);
    color: #1e6b4d;
    border-color: rgba(47, 158, 111, 0.35);
}

.balance-pill--warning {
    background: var(--color-warning-light);
    color: #93601c;
    border-color: rgba(214, 138, 43, 0.35);
}

/* Equity-type chips (grouped shareholder balances) */
.equity-chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.equity-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px var(--space-3);
    border-radius: 999px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.equity-chip__qty {
    font-weight: 700;
}

.shareholder-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
}

.shareholder-row__name {
    flex: 0 0 200px;
    font-weight: 600;
}

.shareholder-row__chips {
    flex: 1;
    min-width: 200px;
}

/* Inline settings table edit row */
.table-edit-row {
    background: var(--color-primary-light);
}

.inline-form {
    display: inline;
}

.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* Ledger correction direction toggle */
.direction-toggle {
    display: flex;
    gap: var(--space-4);
}

.direction-toggle label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
    margin-bottom: 0;
}

.direction-toggle input {
    width: auto;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

/* ---------- Phase 3: Transfers / Vesting ---------- */

/* Zero-JS "change status" expander (ledger/vesting.php): a <details> whose
   <summary> is styled as a plain button; the form drops down inline below it
   (no absolute positioning) so it never gets clipped by .table-wrap's scroll box. */
.status-change summary {
    list-style: none;
}

.status-change summary::-webkit-details-marker {
    display: none;
}

.status-change summary::marker {
    content: '';
}

.status-change-form {
    margin-top: var(--space-3);
    width: min(320px, 90vw);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    text-align: start;
}

.status-change-form .form-group:last-child {
    margin-bottom: 0;
}

/* ---------- Phase 4: Valuations / Cap Table ---------- */

/* Trend direction chip (project valuations page: current vs. previous price). */
.trend-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: var(--space-2) var(--space-4);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid transparent;
}

.trend-chip__icon {
    font-size: 0.75rem;
}

.trend-chip--up {
    background: var(--color-success-light);
    color: #1e6b4d;
    border-color: rgba(47, 158, 111, 0.35);
}

.trend-chip--down {
    background: var(--color-danger-light);
    color: #a83232;
    border-color: rgba(214, 69, 69, 0.35);
}

.trend-chip--flat,
.trend-chip--none {
    background: var(--color-bg);
    color: var(--color-text-muted);
    border-color: var(--color-border);
}

/* Chart.js <canvas> wrapper (needs an explicit, positioned height for responsive:true to work). */
.chart-container {
    position: relative;
    height: 240px;
}

.chart-container--tall {
    height: 340px;
}