/* --- Sleeker, Less Bulky Design --- */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #0d6efd;
    --error-color: #e11d48;
    --success-color: #22c55e;
    --bg-color: #f4f6fb;
    --card-bg: #fff;
    --text-color: #22223b;
    --nav-bg: #23272f;
    --shadow: 0 4px 16px rgba(37,99,235,0.08);
    --header-bg: #2563eb;
    --header-text: #fff;
    --section-gap: 32px;
    --card-radius: 8px;
    --card-padding: 1.2rem 1rem;
    --card-header-radius: 8px 8px 0 0;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
}

section {
    min-height: 40vh;
    padding: var(--section-gap) 0;
}

.card, .error-card, .experience-card {
    background: var(--card-bg);
    color: var(--text-color);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow);
    border: 1px solid #e5e7eb;
    padding: var(--card-padding);
    margin-bottom: 1.2rem;
}

.card-header, .experience-header {
    background: var(--header-bg) !important;
    color: var(--header-text) !important;
    border-radius: var(--card-header-radius);
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    padding: 0.7rem 1rem;
}

.experience-btn {
    color: #fff !important;
    font-size: 1rem;
    font-weight: 500;
    background: transparent;
    border: none;
    text-align: left;
    padding: 0;
}
.role-text {
    color: #fff;
    font-weight: 600;
    font-size: 1.05rem;
}
.company-text {
    color: #e0e7ff;
    font-weight: 500;
    font-size: 1.05rem;
}
.at-symbol {
    color: #b3c7ff;
    font-weight: 600;
    font-size: 1.05rem;
}
.duration-text {
    color: #dbeafe;
    font-size: 0.85rem;
}
.experience-desc {
    font-size: 0.98rem;
    color: var(--text-color);
    margin-top: 0.5rem;
}

.section-heading, h2.text-center {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: none;
    margin-bottom: 1.2rem !important;
    letter-spacing: 0.5px;
}

.btn-primary, .btn-secondary {
    font-size: 0.98rem;
    padding: 0.45rem 1.1rem;
    border-radius: 6px;
    font-weight: 500;
    box-shadow: none;
    transition: background 0.2s, color 0.2s;
    border: none;
}
.btn-primary {
    background: var(--primary-color);
    color: #fff;
}
.btn-primary:hover {
    background: var(--secondary-color);
    color: #fff;
}
.btn-secondary {
    background: var(--error-color);
    color: #fff;
}
.btn-secondary:hover {
    background: #be123c;
    color: #fff;
}

input, textarea, select {
    font-size: 0.98rem;
    padding: 0.45rem 0.8rem;
    border-radius: 6px;
}

.profile-img {
    border: 3px solid white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    width: 140px !important;
    height: 140px !important;
}

.social-links a {
    background: var(--primary-color) !important;
    color: #fff !important;
    border: none !important;
    font-size: 1.5rem;
    padding: 0.5rem 1rem;
    margin: 0 0.3rem;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(37,99,235,0.10);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s, transform 0.2s;
}
.social-links a:hover {
    background: var(--secondary-color) !important;
    color: #fff !important;
    transform: translateY(-2px) scale(1.04);
}

.navbar-brand {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--accent-color) !important;
}

.nav-link {
    color: #f8f9fa !important;
    font-weight: 500;
    margin-left: 0.5rem;
    transition: color 0.2s;
    font-size: 0.98rem;
}
.nav-link:hover {
    color: var(--accent-color) !important;
}

/* Responsive improvements */
@media (max-width: 600px) {
    .card, .error-card, .experience-card {
        max-width: 98vw;
        padding: 0.7rem 0.3rem;
    }
    .profile-img {
        width: 90px !important;
        height: 90px !important;
    }
    .navbar-brand {
        font-size: 1rem;
    }
    .section-heading, h2.text-center {
        font-size: 1.1rem;
    }
}

/* EXPERIENCE SECTION IMPROVED DESIGN */
.experience-card {
    border-radius: 16px;
    border: none;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.08);
    transition: all 0.3s ease;
    background: var(--card-bg);
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.15);
}

/* Header Style */
.experience-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border-radius: 16px 16px 0 0;
    transition: background 0.3s ease;
    padding: 0.8rem 1.2rem;
}

.experience-header:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

/* Role and Company Text */
.experience-btn {
    text-decoration: none;
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.2s ease;
}

.role-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
}

.company-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffe600;
    text-shadow: 0 1px 6px rgba(0,0,0,0.2);
}

.at-symbol {
    color: #fff;
    opacity: 0.9;
}

/* Duration text */
.duration-text {
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
    font-weight: 400;
}

/* Card body text */
.experience-desc {
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .role-text, .company-text {
        font-size: 1rem;
    }
    .duration-text {
        font-size: 0.85rem;
    }
}
/* PROJECT SECTION IMPROVED DESIGN */
.project-card {
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: var(--card-bg);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.15);
}

/* Image overlay for hover effect */
.project-img-wrapper {
    position: relative;
    overflow: hidden;
}

.project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(37, 99, 235, 0.6);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 16px 16px 0 0;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-overlay .btn {
    font-size: 0.9rem;
    font-weight: 600;
}

/* Card body styling */
.project-card .card-body {
    padding: 1.2rem 1rem;
}

.project-card .card-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.project-card .tech-stack {
    font-size: 0.95rem;
    margin-top: 0.8rem;
}

.project-card .card-text {
    font-size: 1.05rem;
    color: var(--text-color);
    margin-bottom: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.1px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .project-img {
        height: 180px;
    }
    .project-card .card-title {
        font-size: 1.1rem;
    }
    .project-card .tech-stack {
        font-size: 0.9rem;
    }
}

/* --- Dark Mode Styles --- */
[data-theme="dark"] {
    --bg-color: #18181b;
    --card-bg: #23232a;
    --text-color: #f8f9fa;
    --nav-bg: #18181b;
    --header-bg: #23232a;
    --header-text: #ffe600;
    --shadow: 0 4px 16px rgba(0,0,0,0.25);
}
[data-theme="dark"] body {
    background: var(--bg-color);
    color: var(--text-color);
}
[data-theme="dark"] .card, [data-theme="dark"] .error-card, [data-theme="dark"] .experience-card {
    background: var(--card-bg);
    color: var(--text-color);
    box-shadow: var(--shadow);
    border: 1px solid #333;
}
[data-theme="dark"] .card-header, [data-theme="dark"] .experience-header {
    background: var(--header-bg) !important;
    color: var(--header-text) !important;
}
[data-theme="dark"] .navbar, [data-theme="dark"] .navbar-brand {
    background: var(--nav-bg) !important;
    color: #ffe600 !important;
}
[data-theme="dark"] .nav-link {
    color: #ffe600 !important;
}
[data-theme="dark"] .nav-link:hover {
    color: var(--accent-color) !important;
}
[data-theme="dark"] .btn-primary {
    background: var(--accent-color);
    color: #fff;
}
[data-theme="dark"] .btn-primary:hover {
    background: var(--primary-color);
    color: #fff;
}
[data-theme="dark"] .btn-secondary {
    background: var(--error-color);
    color: #fff;
}
[data-theme="dark"] .btn-secondary:hover {
    background: #be123c;
    color: #fff;
}
[data-theme="dark"] .profile-img {
    border: 3px solid #ffe600;
    box-shadow: 0 4px 12px rgba(0,0,0,0.35);
}
[data-theme="dark"] .social-links a {
    background: var(--accent-color) !important;
    color: #fff !important;
}
[data-theme="dark"] .social-links a:hover {
    background: var(--primary-color) !important;
}
[data-theme="dark"] .project-card {
    background: var(--card-bg);
    color: var(--text-color);
    box-shadow: var(--shadow);
}
[data-theme="dark"] .project-card .card-title {
    color: #ffe600;
}
[data-theme="dark"] .project-card .tech-stack {
    color: var(--accent-color);
}
[data-theme="dark"] .project-card .card-text,
[data-theme="dark"] .project-card p,
[data-theme="dark"] .project-card .card-body {
    color: #fff !important;
}
[data-theme="dark"] .project-overlay {
    background: rgba(37, 99, 235, 0.7);
}
[data-theme="dark"] .error-page-container {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}
[data-theme="dark"] footer {
    background: var(--nav-bg);
    color: #ffe600;
}

/* SKILLS SECTION STYLING */
/* Skills Grid Layout */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem; /* spacing between cards */
    justify-content: center;
}

.skill-category-card {
    flex: 1 1 300px; /* min width 300px, expand if space */
    max-width: 350px;
    background: var(--card-bg);
    color: var(--text-color);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.skill-item span {
    font-weight: 500;
    font-size: 0.95rem;
}

.skill-progress {
    height: 8px;
    background: #e5e7eb;
    overflow: hidden;
}

.skill-progress .progress-bar {
    height: 8px;
    border-radius: 4px;
    transition: width 1s ease-in-out;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .skill-category-card {
        flex: 1 1 100%;
    }
}


/* Chat Box Styles */
/* --- Floating Chat Box --- */
.chat-box {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 320px;
    max-height: 450px;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 12px 25px rgba(0,0,0,0.2);
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    z-index: 9999;
    transition: all 0.3s ease;
}

.chat-box.collapsed {
    height: 50px;
    max-height: 50px;
}

.chat-header {
    padding: 12px 16px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: #fff;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.chat-body {
    flex: 1;
    padding: 12px;
    background: #f4f6fb;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-input-wrapper {
    display: flex;
    padding: 8px;
    border-top: 1px solid #ddd;
    background: #fff;
}

.chat-input-wrapper input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 20px;
    outline: none;
    font-size: 0.95rem;
}

.chat-input-wrapper button {
    margin-left: 8px;
    padding: 8px 12px;
    border: none;
    background: #2563eb;
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s ease;
}

.chat-input-wrapper button:hover {
    background: #1e40af;
}

.user-msg, .bot-msg {
    max-width: 80%;
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.4;
    word-wrap: break-word;
}

.user-msg {
    align-self: flex-end;
    background: #2563eb;
    color: #fff;
}

.bot-msg {
    align-self: flex-start;
    background: #e5e7eb;
    color: #22223b;
}

/* Typing animation */
.typing {
    width: 40px;
    height: 10px;
    display: flex;
    gap: 4px;
}

.typing span {
    display: block;
    width: 8px;
    height: 8px;
    background: #2563eb;
    border-radius: 50%;
    animation: bounce 0.6s infinite alternate;
}

.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-6px); }
}

/* Dark Mode */
[data-theme="dark"] .chat-box {
    background: #23232a;
    color: #f8f9fa;
}

[data-theme="dark"] .chat-body {
    background: #1e1e23;
}

[data-theme="dark"] .bot-msg {
    background: #3a3a42;
    color: #f8f9fa;
}

[data-theme="dark"] .chat-input-wrapper input {
    background: #2b2b33;
    border: 1px solid #444;
    color: #f8f9fa;
}

[data-theme="dark"] .chat-input-wrapper button {
    background: #2563eb;
}
.bot-msg img {
    max-width: 100%;
    border-radius: 12px;
    margin-top: 5px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.social-btn:hover {
    background-color: rgba(255,255,255,0.1);
    transform: scale(1.1);
    transition: all 0.3s ease;
}

/* Bounce animation for scroll icon */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}
.animate-bounce {
    animation: bounce 2s infinite;
}