:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --text-muted: #6c757d;
    --primary-color: #ffb6c1; /* Soft pink */
    --secondary-color: #add8e6; /* Baby blue */
    --accent-color: #d8bfd8; /* Pastel purple */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --card-bg: #ffffff;
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #f8f9fa;
    --text-muted: #d1d5db;
    --primary-color: #ff8fab;
    --secondary-color: #90e0ef;
    --accent-color: #cdb4db;
    --glass-bg: rgba(18, 18, 18, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-bg: #1e1e1e;
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* Global Text Overrides */
h1, h2, h3, h4, h5, h6, p, li, label, .card-title, .card-text {
    color: var(--text-color);
    transition: color 0.3s ease;
}

.text-muted {
    color: var(--text-muted) !important;
    transition: color 0.3s ease;
}

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

table, .table, .table th, .table td {
    color: var(--text-color) !important;
    border-color: var(--border-color);
}

.table-hover tbody tr:hover {
    color: var(--text-color) !important;
    background-color: var(--glass-bg);
}

.badge.bg-secondary {
    background-color: var(--secondary-color) !important;
    color: #121212 !important;
}

.page-link {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.page-link:hover {
    background-color: var(--glass-bg);
    color: var(--primary-color);
}

/* Glassmorphism Utilities */
.glass-box {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.glass-navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

/* Navbar & Navigation Theme System */
.btn-theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-color) !important;
    font-size: 1.1rem;
    padding: 0.4rem 0.6rem;
    border-radius: 50%;
    transition: color 0.3s ease, transform 0.3s ease;
}

.btn-theme-toggle:hover {
    color: var(--primary-color) !important;
    transform: rotate(15deg);
}

.navbar .navbar-brand,
.navbar .navbar-brand:hover,
.navbar .navbar-brand:focus,
.navbar .navbar-brand:visited {
    color: var(--text-color) !important;
    transition: color 0.3s ease;
}

.navbar .navbar-brand span {
    color: var(--primary-color) !important;
}

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

.navbar .nav-link:hover, 
.navbar .nav-link.active {
    color: var(--primary-color) !important;
}

/* Explicit scoping for data-theme="dark" to guarantee high contrast */
[data-theme="dark"] .navbar .navbar-brand,
[data-theme="dark"] .navbar .navbar-brand:hover,
[data-theme="dark"] .navbar .navbar-brand:focus {
    color: #ffffff !important;
}

[data-theme="dark"] .navbar .nav-link:not(.active):not(:hover) {
    color: #ffffff !important;
}

[data-theme="dark"] .btn-theme-toggle {
    color: #ffffff !important;
}

[data-theme="dark"] .navbar-toggler-icon,
[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(255,182,193,0.2) 0%, rgba(173,216,230,0.2) 100%);
    padding-top: 80px;
}
[data-theme="dark"] .hero-section {
    background: linear-gradient(135deg, rgba(255,143,171,0.1) 0%, rgba(144,224,239,0.1) 100%);
}

.profile-img-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
    border-radius: 50%;
    padding: 10px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    animation: gradientSpin 5s linear infinite;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid var(--bg-color);
}

@keyframes gradientSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.typing-text {
    color: var(--primary-color) !important;
    font-weight: 600;
}

/* Buttons */
.btn-primary-custom {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 182, 193, 0.4);
}
.btn-primary-custom:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
    color: #fff;
}

.btn-outline-custom {
    background-color: transparent;
    color: var(--text-color);
    border: 2px solid var(--secondary-color);
    padding: 8px 23px;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s ease;
}
.btn-outline-custom:hover {
    background-color: var(--secondary-color);
    color: #fff;
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-weight: 700;
    position: relative;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* Cards */
.card-custom {
    background-color: var(--card-bg);
    border: none;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}
.card-custom:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

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

.skill-percent {
    color: #000000 !important;
    font-weight: 600;
    transition: color 0.3s ease;
}

[data-theme="light"] .skill-percent {
    color: #000000 !important;
}

[data-theme="dark"] .skill-percent,
.dark .skill-percent,
body[data-theme="dark"] .skill-percent {
    color: #FFFFFF !important;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}
.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--secondary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}
.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}
.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--bg-color);
    border: 4px solid var(--primary-color);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}
.left { left: 0; }
.right { left: 50%; }
.right::after { left: -10px; }
.timeline-content {
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--shadow);
}
@media screen and (max-width: 600px) {
    .timeline::after { left: 31px; }
    .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; }
    .timeline-item::after { left: 21px; }
    .right { left: 0%; }
}

/* Footer & Buttons */
#scrollToTopBtn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 50%;
    font-size: 18px;
    box-shadow: var(--shadow);
    transition: background-color 0.3s, transform 0.3s;
}
#scrollToTopBtn:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    background-color: var(--card-bg);
    color: var(--text-color);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}
.social-links a:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-3px);
}

/* Loader */
#loader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--bg-color);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}
.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--secondary-color);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* Form Controls */
.form-control, .form-select {
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}
.form-control:focus, .form-select:focus {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(255, 182, 193, 0.25);
}
.form-control::placeholder {
    color: var(--text-muted);
}

/* Responsive Enhancements */
img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    .hero-section {
        padding-top: 100px;
        text-align: center;
    }
    .profile-img-container {
        width: 250px;
        height: 250px;
    }
    .display-4 {
        font-size: 2.5rem;
    }
    section {
        padding: 50px 0;
    }
}

@media (max-width: 480px) {
    .profile-img-container {
        width: 200px;
        height: 200px;
    }
    .display-4 {
        font-size: 2rem;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .card-body h5 {
        font-size: 1.1rem;
    }
}