/* ==========================================================================
   ROXONIC PRIVATE LIMITED — INTERNSHIP PLATFORM DESIGN SYSTEM
   Cohesive, High-Fidelity Visual Architecture for Roxonic Limited
   Official Palette: Deep Emerald (#076951), Forest Dark (#192c27), Mint (#E7F4F1)
   ========================================================================== */

:root {
    --drx-primary: #076951;
    --drx-primary-hover: #054e3c;
    --drx-primary-glow: rgba(7, 105, 81, 0.35);
    --drx-primary-subtle: rgba(7, 105, 81, 0.1);
    --drx-secondary: #192c27;
    --drx-accent: #16876b;
    --drx-mint: #E7F4F1;
    --drx-warning: #f59e0b;
    --drx-danger: #ef4444;
    --drx-surface: #ffffff;
    --drx-bg: #F2F7F6;
    --drx-border: rgba(54, 89, 81, 0.15);
    --drx-text: #192c27;
    --drx-muted: #4a5568;
    --drx-radius: 14px;
    --drx-radius-pill: 999px;
    --drx-shadow-sm: 0 1px 3px 0 rgba(7, 105, 81, 0.06);
    --drx-shadow: 0 4px 12px -1px rgba(7, 105, 81, 0.08), 0 2px 4px -2px rgba(7, 105, 81, 0.04);
    --drx-shadow-lg: 0 20px 30px -5px rgba(7, 105, 81, 0.12), 0 8px 10px -6px rgba(7, 105, 81, 0.06);
    --drx-shadow-glow: 0 0 25px rgba(22, 135, 107, 0.3);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--drx-bg);
    color: var(--drx-text);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #eaf1ef;
}
::-webkit-scrollbar-thumb {
    background: #b2cfc7;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #7ca89d;
}

/* Typography Enhancements */
.letter-spacing-1 {
    letter-spacing: 0.05em;
}
.text-gradient {
    background: linear-gradient(135deg, #34d399 0%, #10b981 50%, #6ee7b7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.text-hero-lead {
    color: #e2e8f0 !important;
}

/* Cards & Surfaces */
.drx-card {
    background: var(--drx-surface);
    border: 1px solid var(--drx-border);
    border-radius: var(--drx-radius);
    box-shadow: var(--drx-shadow);
    padding: 1.5rem;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
}

.drx-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--drx-shadow-lg);
    border-color: rgba(7, 105, 81, 0.3);
}

.card.glass-card,
.glass-card {
    background: rgba(15, 30, 26, 0.92) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(22, 135, 107, 0.35) !important;
    box-shadow: 0 12px 40px 0 rgba(12, 24, 21, 0.45);
    color: #ffffff !important;
}

/* Roxonic Hero Banner */
.drx-gradient-hero {
    background: radial-gradient(circle at 80% 20%, #076951 0%, #192c27 60%, #0c1815 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.drx-gradient-hero::after {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 650px;
    height: 650px;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.18) 0%, transparent 65%);
    pointer-events: none;
}

/* Hero Badges */
.badge-hero-pill {
    background: rgba(52, 211, 153, 0.15) !important;
    color: #6ee7b7 !important;
    border: 1px solid rgba(52, 211, 153, 0.4) !important;
    font-weight: 600;
    box-shadow: 0 0 15px rgba(52, 211, 153, 0.15);
}

/* Modern SaaS Buttons */
.btn-drx, .btn-primary {
    background-color: var(--drx-primary);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 0.65rem 1.5rem;
    font-weight: 600;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-drx:hover, .btn-primary:hover {
    background-color: var(--drx-primary-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--drx-primary-glow);
}

.btn-drx-outline {
    background-color: transparent;
    color: var(--drx-primary);
    border: 2px solid var(--drx-primary);
    border-radius: 8px;
    padding: 0.55rem 1.3rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-drx-outline:hover {
    background-color: var(--drx-primary);
    color: #ffffff;
    box-shadow: 0 4px 12px var(--drx-primary-glow);
}

/* Status Badges */
.badge-status {
    padding: 0.45em 0.85em;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
}

.badge-applied { background: #e0f2fe; color: #0284c7; }
.badge-under_review { background: #fef3c7; color: #d97706; }
.badge-shortlisted { background: #f3e8ff; color: #9333ea; }
.badge-interview { background: #e0e7ff; color: #4f46e5; }
.badge-selected { background: #dcfce7; color: #16a34a; }
.badge-rejected { background: #fee2e2; color: #dc2626; }
.badge-active { background: #dcfce7; color: #16a34a; }
.badge-pending { background: #fef3c7; color: #d97706; }

/* Admin & Intern Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: #111e1a;
    color: #94a3b8;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.3s ease;
}

.sidebar a {
    color: #a3b8b1;
    text-decoration: none;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    border-radius: 10px;
    margin: 0.2rem 0.8rem;
    transition: all 0.2s ease;
}

.sidebar a:hover, .sidebar a.active {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.sidebar a.active {
    background: linear-gradient(135deg, #076951 0%, #16876b 100%);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(7, 105, 81, 0.4);
}

.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background-color: var(--drx-bg);
}

.top-navbar {
    background: var(--drx-surface);
    border-bottom: 1px solid var(--drx-border);
    padding: 0.85rem 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.content-body {
    padding: 1.85rem;
    flex-grow: 1;
}

/* Kanban Board */
.kanban-board {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    padding-bottom: 1.25rem;
}

.kanban-col {
    width: 310px;
    flex-shrink: 0;
    background: #eaf1ef;
    border-radius: 12px;
    padding: 1.1rem;
    min-height: 520px;
    border: 1px solid var(--drx-border);
}

.kanban-header {
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-transform: uppercase;
    color: var(--drx-muted);
    letter-spacing: 0.05em;
}

.kanban-item {
    background: #ffffff;
    border-radius: 10px;
    padding: 1.1rem;
    margin-bottom: 0.85rem;
    border: 1px solid var(--drx-border);
    box-shadow: var(--drx-shadow-sm);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.kanban-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--drx-shadow);
    border-color: var(--drx-accent);
}

/* Mobile Responsive */
@media (max-width: 991.98px) {
    .sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        bottom: 0;
        z-index: 1050;
    }
    .sidebar.show {
        left: 0;
    }
    .mobile-overlay {
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0,0,0,0.6);
        backdrop-filter: blur(4px);
        z-index: 1040;
        display: none;
    }
    .mobile-overlay.show {
        display: block;
    }
    .content-body {
        padding: 1.2rem;
    }
}