/* Eduvera.G global design system. Loaded last and intentionally governs layout,
   contrast, bidi behavior, and shared components across every page. */
:root {
    --bg-main: #F8FAFC;
    --bg-elevated: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-strong: #F1F5F9;
    --bg-input: #FFFFFF;
    --text-primary: #171717;
    --text-secondary: #4b5563;
    --text-muted: #595959;
    --accent-red: #171717; /* Neutral primary */
    --accent-red-strong: #171717;
    --accent-cyan: #171717;
    --border-soft: rgba(0, 0, 0, 0.04);
    --border-strong: rgba(0, 0, 0, 0.08);
    --color-border: #E2E8F0;
    --focus-ring: 0 0 0 4px rgba(23, 23, 23, 0.08);
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.015);
    --radius-xs: 10px;
    --border-radius: 16px;
    --radius-lg: 24px;
    --font-ar: "IBM Plex Sans Arabic", "Cairo", "Tajawal", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-en: "Inter", "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --nav-height: 72px;
}

html {
    background: var(--bg-main);
    color-scheme: light;
    text-align: start;
}

html[lang="ar"] {
    font-family: var(--font-ar);
}

html[lang="en"] {
    font-family: var(--font-en);
}

body {
    background: #F8FAFC !important;
    color: var(--text-primary) !important;
    font-family: inherit !important;
    margin: 0;
    min-block-size: 100vh;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html[dir] :where(body, .eduvera-layout, .main-content, .i18n-page, section, article, header, form, table) {
    direction: inherit;
    text-align: start;
}

html[dir] :where(h1, h2, h3, h4, h5, h6, p, li, label, th, td, span, button, a) {
    unicode-bidi: plaintext;
}

html[dir] :where(bdi, code, kbd, samp, input[type="email"], .bidi-isolate) {
    unicode-bidi: isolate;
}

h1, h2, h3, h4, h5, h6,
.title-futuristic,
.text-gradient,
.text-gradient-cyan {
    color: var(--text-primary) !important;
    font-family: inherit !important;
    letter-spacing: 0 !important;
    -webkit-text-fill-color: currentColor !important;
}

p, label, small, .text-secondary {
    color: var(--text-secondary) !important;
}

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

.main-content {
    padding-block-start: calc(var(--nav-height, 72px) + 20px) !important;
    padding-inline: clamp(18px, 4vw, 58px) !important;
}

.sidebar {
    align-items: center !important;
    background: #FFFFFF !important;
    border-block-end: 1px solid rgba(0, 0, 0, 0.08) !important;
    display: flex !important;
    flex-direction: row !important;
    gap: clamp(18px, 3vw, 46px) !important;
    inline-size: 100% !important;
    inset-block-start: 0 !important;
    inset-inline: 0 !important;
    justify-content: space-between !important;
    min-block-size: var(--nav-height) !important;
    overflow: visible !important;
    padding-block: 0 !important;
    padding-inline: clamp(18px, 4vw, 58px) !important;
    position: fixed !important;
    z-index: 1000 !important;
}

.sidebar-logo {
    color: var(--accent-red-strong) !important;
    direction: ltr !important;
    flex: 0 0 auto !important;
    font-family: var(--font-en) !important;
    font-size: clamp(1.45rem, 2.2vw, 2.55rem) !important;
    font-weight: 800 !important;
    line-height: 1 !important;
    margin: 0 !important;
    order: 0 !important;
    text-align: start !important;
    white-space: nowrap !important;
}

.sidebar-logo span {
    color: var(--text-primary) !important;
}

.sidebar-menu {
    align-items: center !important;
    direction: inherit !important;
    display: flex !important;
    flex: 1 1 auto !important;
    flex-direction: row !important;
    gap: clamp(10px, 1.5vw, 22px) !important;
    justify-content: flex-end !important;
    overflow: visible !important;
    scrollbar-width: none !important;
    white-space: nowrap !important;
}

.sidebar-menu::-webkit-scrollbar {
    display: none;
}

.sidebar-link,
.language-toggle {
    align-items: center !important;
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    color: #4b5563 !important;
    cursor: pointer !important;
    display: inline-flex !important;
    flex: 0 0 auto !important;
    gap: 0.45rem !important;
    font-size: 0.94rem !important;
    font-weight: 600 !important;
    padding-block: 0.45rem !important;
    padding-inline: 0.75rem !important;
    position: relative !important;
    text-align: start !important;
    text-decoration: none !important;
    transition: color 0.2s ease !important;
}

.sidebar-link::after {
    content: "" !important;
    position: absolute !important;
    bottom: -2px !important;
    left: 8px !important;
    right: 8px !important;
    height: 2px !important;
    background: rgba(79, 70, 229, 0.4) !important;
    border-radius: 2px !important;
    opacity: 0 !important;
    transform: scaleX(0) !important;
    transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease, height 0.2s ease !important;
    transform-origin: center !important;
}

.sidebar-link:hover,
.language-toggle:hover {
    color: #111827 !important;
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
}

.sidebar-link:hover::after {
    opacity: 1 !important;
    transform: scaleX(1) !important;
    background: rgba(79, 70, 229, 0.45) !important;
    height: 2px !important;
    left: 8px !important;
    right: 8px !important;
}

.sidebar-link.active {
    color: #4f46e5 !important;
    background: transparent !important;
    font-weight: 700 !important;
    box-shadow: none !important;
    border: none !important;
}

.sidebar-link.active::after {
    opacity: 1 !important;
    transform: scaleX(1) !important;
    background: #4f46e5 !important;
    height: 3px !important;
    left: 4px !important;
    right: 4px !important;
    border-radius: 3px !important;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.35) !important;
}

.sidebar-link i,
.language-toggle i {
    display: inline-block !important;
}

.sidebar-section,
.sidebar-user {
    display: none !important;
}

.glass-card,
.login-panel,
.demo-users-panel,
.skills-form-panel,
.skill-tile,
.catalog-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012)), var(--bg-card) !important;
    border: 1px solid var(--border-soft) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-card) !important;
    color: var(--text-primary) !important;
}

.form-input-eduvera,
.form-control,
.form-select,
input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
textarea,
select {
    background: var(--bg-input) !important;
    border: 1px solid rgba(201, 209, 217, 0.34) !important;
    border-radius: var(--border-radius) !important;
    color: var(--text-primary) !important;
    direction: inherit;
    inline-size: 100%;
    min-block-size: 44px;
    padding-block: 0.72rem !important;
    padding-inline: 1rem !important;
    text-align: start;
}

textarea {
    min-block-size: 94px;
    resize: vertical;
}

.form-input-eduvera::placeholder,
.form-control::placeholder,
textarea::placeholder,
input::placeholder {
    color: #aeb8c7 !important;
    opacity: 1;
}

.form-input-eduvera:focus,
.form-input-eduvera:focus-visible,
.form-control:focus,
.form-control:focus-visible,
.form-select:focus,
.form-select:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
button:focus-visible,
a:focus-visible {
    border-color: var(--accent-cyan) !important;
    box-shadow: var(--focus-ring) !important;
    outline: 2px solid transparent !important;
    outline-offset: 2px !important;
}

select,
select option {
    background: var(--bg-input) !important;
    color: var(--text-primary) !important;
}

.btn-eduvera,
.btn-eduvera-secondary {
    align-items: center;
    border-radius: 999px !important; /* Pill shaped buttons */
    display: inline-flex;
    gap: 0.5rem;
    justify-content: center;
    min-block-size: 42px;
    padding-block: 0.65rem !important;
    padding-inline: 1.5rem !important; /* Slightly wider padding for Alivio look */
    text-align: center;
    transition: all 0.2s ease !important;
}

.btn-eduvera {
    background: #1c1c1c !important;
    border: 1px solid #1c1c1c !important;
    color: #ffffff !important;
    font-weight: 600 !important;
}

.btn-eduvera:hover {
    background: #3c3c3c !important;
    border-color: #3c3c3c !important;
}

.btn-eduvera-secondary {
    background: #ffffff !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    color: #1c1c1c !important;
    font-weight: 600 !important;
}

.btn-eduvera-secondary:hover {
    background: #fcfcfc !important;
    border-color: rgba(0, 0, 0, 0.2) !important;
}

.login-shell {
    align-items: stretch !important;
    display: grid !important;
    gap: clamp(18px, 4vw, 44px) !important;
    grid-template-columns: minmax(320px, 0.9fr) minmax(320px, 1.1fr) !important;
    margin-inline: auto !important;
    max-inline-size: 1180px !important;
    min-block-size: calc(100vh - var(--nav-height)) !important;
    padding-block: clamp(32px, 6vw, 78px) !important;
    padding-inline: clamp(14px, 3vw, 30px) !important;
}

.login-panel,
.demo-users-panel {
    align-self: center;
    padding: clamp(22px, 4vw, 38px) !important;
}

.login-form {
    display: grid;
    gap: 1rem;
    margin-block-start: 1.5rem;
}

.login-form label {
    color: var(--text-secondary) !important;
    display: grid;
    gap: 0.45rem;
    font-weight: 700;
}

.login-alert {
    background: rgba(204, 36, 29, 0.16) !important;
    border: 1px solid rgba(204, 36, 29, 0.45) !important;
    border-radius: var(--border-radius);
    color: var(--text-primary) !important;
    padding: 0.85rem 1rem;
}

.login-alert.alert-success {
    background: rgba(16, 185, 129, 0.08) !important;
    border: 1px solid rgba(16, 185, 129, 0.45) !important;
    color: #10B981 !important;
}

.demo-users-header,
.demo-user-card {
    align-items: center;
    display: flex;
    gap: 0.85rem;
    justify-content: space-between;
}

.demo-user-card {
    background: rgba(255, 255, 255, 0.045) !important;
    border: 1px solid var(--border-soft) !important;
    border-radius: var(--border-radius);
    color: var(--text-primary) !important;
    margin-block-start: 0.85rem;
    padding: 0.9rem 1rem;
    text-decoration: none;
}

.demo-user-card > div {
    min-inline-size: 0;
}

.demo-user-card span {
    color: var(--text-secondary) !important;
}

html[dir] .ms-1 { margin-inline-start: 0.25rem !important; margin-left: 0 !important; margin-right: 0 !important; }
html[dir] .ms-2 { margin-inline-start: 0.5rem !important; margin-left: 0 !important; margin-right: 0 !important; }
html[dir] .ms-3 { margin-inline-start: 1rem !important; margin-left: 0 !important; margin-right: 0 !important; }
html[dir] .me-1 { margin-inline-end: 0.25rem !important; margin-left: 0 !important; margin-right: 0 !important; }
html[dir] .me-2 { margin-inline-end: 0.5rem !important; margin-left: 0 !important; margin-right: 0 !important; }
html[dir] .me-3 { margin-inline-end: 1rem !important; margin-left: 0 !important; margin-right: 0 !important; }

/* RTL helpers */

@media (max-width: 900px) {
    :root {
        --nav-height: 64px;
    }

    .sidebar {
        padding-inline: 14px !important;
    }

    .sidebar-link:not(.language-toggle) span {
        display: none;
    }

    .login-shell {
        grid-template-columns: 1fr !important;
    }
}

/* Access Panel dark mode alignment */
.access-panel {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-soft) !important;
    color: var(--text-primary) !important;
}
.access-panel h1 {
    color: var(--text-primary) !important;
}
.access-panel p {
    color: var(--text-secondary) !important;
}

/* ==========================================
   Directional Icons Auto-Mirroring for RTL
   ========================================== */
[dir="rtl"] .fa-arrow-right,
[dir="rtl"] .fa-arrow-left,
[dir="rtl"] .fa-chevron-right,
[dir="rtl"] .fa-chevron-left,
[dir="rtl"] .fa-angle-right,
[dir="rtl"] .fa-angle-left,
[dir="rtl"] .fa-arrow-right-long,
[dir="rtl"] .fa-arrow-left-long,
[dir="rtl"] .icon-directional {
    display: inline-block !important;
}

[dir="rtl"] .fa-arrow-right,
[dir="rtl"] .fa-chevron-right,
[dir="rtl"] .fa-angle-right,
[dir="rtl"] .fa-arrow-right-long {
    transform: scaleX(-1) !important;
}

/* ==========================================
   System-wide Hover Motion & Elevation Control
   Disables jumping/bouncing vertical shifts (translateY) across all entities on hover.
   Applies clean, subtle shadow elevation instead.
   ========================================== */
:where(a, button, div, span, img, svg, .glass-card, .card, .skill-tile, .catalog-card, .course-card, .btn-eduvera, .btn-eduvera-secondary, .section-item, .demo-user-card, .program-card, .session-card):hover {
    transform: none !important;
}

.glass-card:hover,
.card:hover,
.skill-tile:hover,
.catalog-card:hover,
.course-card:hover,
.btn-eduvera:hover,
.btn-eduvera-secondary:hover,
.section-item:hover,
.demo-user-card:hover,
.program-card:hover,
.session-card:hover {
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04) !important;
}