/* =========================================================
   AI PROJECT MENTOR PPLG — Perfect Sleek Dark Mode Layout CSS
   ========================================================= */

:root {
    --color-bg: #0B0F19;           /* Deep Slate Black */
    --color-surface: #1E293B;      /* Card / Container Background */
    --color-surface-hover: #2D3748;
    --color-border: #334155;       /* Subtle Border */
    --color-border-glow: #6366F1;
    
    --color-text-primary: #F8FAFC;  /* High Contrast Crisp White */
    --color-text-muted: #94A3B8;    /* Muted Slate Gray */

    --color-primary: #6366F1;       /* Indigo Glow */
    --color-primary-hover: #4F46E5;
    --color-secondary: #8B5CF6;     /* Vibrant Violet */
    
    --color-success: #34D399;       /* Emerald Mint */
    --color-warning: #FBBF24;       /* Amber Gold */
    --color-danger: #F87171;        /* Rose Red */
    --color-info: #38BDF8;          /* Sky Blue */
}

/* Reset & Sticky Footer Layout */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--color-bg) !important;
    color: var(--color-text-primary) !important;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-wrapper {
    flex: 1 0 auto;
    display: flex;
    width: 100%;
}

.app-main-content {
    flex: 1;
    min-width: 0;
}

/* Universal Typography & Text Contrast Fixes */
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--color-text-primary) !important;
}

p, span, label, div, td, th, li {
    color: var(--color-text-primary);
}

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

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

.text-secondary {
    color: #CBD5E1 !important;
}

/* Topbar Navigation */
.navbar {
    background-color: #0F172A !important;
    border-bottom: 1px solid var(--color-border) !important;
    z-index: 1030;
}

/* Sidebar Navigation */
.sidebar {
    width: 260px;
    flex-shrink: 0;
    background-color: #0F172A;
    border-right: 1px solid var(--color-border);
    padding: 1.25rem 1rem;
}

.nav-link-custom {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    color: var(--color-text-muted) !important;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    margin-bottom: 0.25rem;
}

.nav-link-custom:hover, .nav-link-custom.active {
    background-color: rgba(99, 102, 241, 0.15) !important;
    color: #818CF8 !important;
    border-left: 3px solid var(--color-primary);
}

/* Cards & Containers */
.card-custom {
    background-color: var(--color-surface) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: 14px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    padding: 1.25rem;
    color: var(--color-text-primary) !important;
}

/* Progress Bars */
.progress {
    background-color: #0F172A !important;
    border: 1px solid var(--color-border) !important;
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar {
    background-color: var(--color-primary) !important;
}

/* Buttons */
.btn-primary-custom, .btn-primary {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: #ffffff !important;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary-custom:hover, .btn-primary:hover {
    background-color: var(--color-primary-hover) !important;
    border-color: var(--color-primary-hover) !important;
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-outline-primary {
    color: #818CF8 !important;
    border-color: var(--color-primary) !important;
}

.btn-outline-primary:hover {
    background-color: var(--color-primary) !important;
    color: #ffffff !important;
}

.btn-light {
    background-color: #334155 !important;
    border-color: #475569 !important;
    color: var(--color-text-primary) !important;
}

.btn-light:hover {
    background-color: #475569 !important;
    color: #ffffff !important;
}

/* Form Controls & Inputs Dark Mode */
.form-label {
    color: #CBD5E1 !important;
    font-size: 0.85rem;
    font-weight: 600;
}

.form-control, .form-select, textarea {
    background-color: #0F172A !important;
    border: 1px solid var(--color-border) !important;
    color: var(--color-text-primary) !important;
}

.form-control::placeholder, textarea::placeholder {
    color: #64748B !important;
}

.form-control:focus, .form-select:focus, textarea:focus {
    background-color: #0F172A !important;
    border-color: var(--color-primary) !important;
    color: var(--color-text-primary) !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25) !important;
}

/* Tables Dark Mode */
.table {
    color: var(--color-text-primary) !important;
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--color-border);
}

.table-light, .table thead {
    background-color: #0F172A !important;
    color: #94A3B8 !important;
}

.table th {
    color: #CBD5E1 !important;
    border-bottom: 1px solid var(--color-border) !important;
}

.table td {
    color: var(--color-text-primary) !important;
    border-bottom: 1px solid var(--color-border) !important;
}

.table-hover tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.04) !important;
}

/* Modals Dark Mode */
.modal-content {
    background-color: var(--color-surface) !important;
    border: 1px solid var(--color-border) !important;
    color: var(--color-text-primary) !important;
}

.modal-header, .modal-footer {
    border-color: var(--color-border) !important;
}

.modal-title {
    color: var(--color-text-primary) !important;
}

.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Status Badges Dark Theme */
.badge-status {
    padding: 0.35rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.badge-ontrack {
    background-color: rgba(52, 211, 153, 0.15);
    color: #34D399;
    border: 1px solid rgba(52, 211, 153, 0.3);
}

.badge-atrisk {
    background-color: rgba(251, 191, 36, 0.15);
    color: #FBBF24;
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge-delayed {
    background-color: rgba(248, 113, 113, 0.15);
    color: #F87171;
    border: 1px solid rgba(248, 113, 113, 0.3);
}

.badge-ahead {
    background-color: rgba(56, 189, 248, 0.15);
    color: #38BDF8;
    border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-notstarted {
    background-color: rgba(148, 163, 184, 0.15);
    color: #94A3B8;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

/* Chat Bubbles Dark Theme */
.chat-bubble {
    max-width: 80%;
    padding: 0.85rem 1.15rem;
    border-radius: 16px;
    margin-bottom: 0.85rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.chat-bubble-user {
    background-color: var(--color-primary);
    color: #ffffff !important;
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.chat-bubble-ai {
    background-color: #1E293B;
    border: 1px solid var(--color-border);
    color: var(--color-text-primary) !important;
    margin-right: auto;
    border-bottom-left-radius: 4px;
}

/* Kanban Columns Dark Theme */
.kanban-col {
    background-color: #0F172A;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1rem;
    min-height: 450px;
}

/* Subtitle & Alert Overrides */
.bg-light {
    background-color: #0F172A !important;
    border-color: var(--color-border) !important;
    color: var(--color-text-primary) !important;
}

.bg-warning-subtle {
    background-color: rgba(251, 191, 36, 0.1) !important;
    border-color: rgba(251, 191, 36, 0.3) !important;
    color: #FBBF24 !important;
}

.bg-success-subtle {
    background-color: rgba(52, 211, 153, 0.1) !important;
    border-color: rgba(52, 211, 153, 0.3) !important;
    color: #34D399 !important;
}

.bg-primary-subtle {
    background-color: rgba(99, 102, 241, 0.15) !important;
    border-color: rgba(99, 102, 241, 0.3) !important;
    color: #818CF8 !important;
}

.bg-danger-subtle {
    background-color: rgba(248, 113, 113, 0.1) !important;
    border-color: rgba(248, 113, 113, 0.3) !important;
    color: #F87171 !important;
}

.footer {
    flex-shrink: 0;
    background-color: #0F172A !important;
    border-top: 1px solid var(--color-border) !important;
    color: var(--color-text-muted) !important;
}