/* premium.css - Modern UI Overhaul for SPARRING */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --glass-bg: rgba(25, 28, 36, 0.65);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent-primary: #8a2be2;
    --accent-secondary: #00d2ff;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --bg-gradient: linear-gradient(135deg, #0d0e15 0%, #1a1c29 100%);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Glassmorphism Navbar */
.navbar {
    background: rgba(13, 14, 21, 0.7) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.navbar-brand span, .nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-secondary) !important;
}

/* Animated Masthead Background */
.masthead {
    position: relative;
    background: linear-gradient(-45deg, #130f40, #30336b, #130f40, #000000);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Add floating animated shapes */
.masthead::before, .masthead::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    animation: float 10s infinite alternate ease-in-out;
}

.masthead::before {
    width: 400px;
    height: 400px;
    background: rgba(138, 43, 226, 0.3);
    top: -100px;
    left: -100px;
}

.masthead::after {
    width: 300px;
    height: 300px;
    background: rgba(0, 210, 255, 0.3);
    bottom: -50px;
    right: -100px;
    animation-delay: -5s;
}

.masthead .container {
    z-index: 1;
    position: relative;
}

/* Hero Typography */
.hero-text h2 {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(to right, #00d2ff, #8a2be2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-text h5 {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* Premium Search Input */
.masthead-search .form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    border-radius: 30px;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.masthead-search .form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-secondary);
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.3);
    outline: none;
}

.masthead-search .form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

/* Button Styling */
.btn-primary, .btn-outline-success {
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    border-radius: 30px;
    padding: 0.8rem 2rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(138, 43, 226, 0.4);
    transition: all 0.3s ease;
    color: white;
}

.btn-primary:hover, .btn-outline-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 210, 255, 0.5);
    background: linear-gradient(45deg, var(--accent-secondary), var(--accent-primary));
}

/* Glassmorphism Cards */
.card, .approachPanel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    color: var(--text-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
}

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

.card-text.small {
    color: var(--text-secondary) !important;
}

.card hr {
    border-color: rgba(255, 255, 255, 0.1);
}

/* Page Content Padding */
.page-content {
    padding-top: 100px;
    padding-bottom: 50px;
    min-height: calc(100vh - 150px);
}

/* Forms inside cards */
.form-select, .form-control {
    background-color: rgba(0,0,0,0.2) !important;
    border: 1px solid rgba(255,255,255,0.1) !important;
    color: white !important;
}

.form-select:focus, .form-control:focus {
    border-color: var(--accent-secondary) !important;
    box-shadow: 0 0 0 0.25rem rgba(0, 210, 255, 0.25) !important;
}

.form-select option {
    background: #1a1c29;
    color: white;
}

/* Badges */
.badge.bg-success {
    background: linear-gradient(45deg, #00b09b, #96c93d) !important;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

/* Pagination / See More Button */
#showMoreBtn {
    border-radius: 30px;
    padding: 0.6rem 2rem;
    font-weight: 600;
}

/* Profile specific */
.profile-img {
    border: 4px solid rgba(255,255,255,0.1);
    padding: 5px;
    background: rgba(0,0,0,0.2);
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

/* Topics list on home */
.topic-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.topic-item:hover {
    background: rgba(138, 43, 226, 0.2);
    border-color: var(--accent-secondary);
    color: white;
    transform: translateY(-2px);
}

/* Table styling for publications */
.table {
    color: var(--text-primary);
}
.table thead th {
    border-bottom: 2px solid rgba(255,255,255,0.1);
    color: var(--accent-secondary);
    font-weight: 600;
}
.table tbody td {
    border-bottom: 1px solid rgba(255,255,255,0.05);
    color: var(--text-secondary);
}
.table-striped>tbody>tr:nth-of-type(odd)>* {
    color: var(--text-primary);
    background-color: rgba(255,255,255,0.02);
}

/* Animations */
@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(30px, 30px); }
}

/* Setting Panel specific */
#approachPanel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}