/* ---------- GLOBAL ---------- */
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f6fb;
    color: #333;
    transition: background 0.3s, color 0.3s;
}

.dark-mode {
    background: #121212;
    color: #e6e6e6;
}

/* ---------- HEADER ---------- */
header {
    background: linear-gradient(135deg, #4b6cb7, #182848);
    color: white;
    padding: 30px 20px;
    text-align: center;
    position: relative;
}

header h1 {
    margin: 0;
    font-size: 2.4rem;
    font-weight: 700;
}

header p {
    margin-top: 8px;
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ---------- DARK MODE BUTTON ---------- */
#darkToggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: white;
    border: none;
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 1rem;
    transition: 0.3s;
}

#darkToggle:hover {
    background: #ffdd57;
}

/* ---------- NAVIGATION ---------- */
nav {
    margin-top: 15px;
}

nav a {
    color: #ffffff;
    margin: 0 18px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: 0.3s;
}

nav a:hover {
    color: #ffdd57;
}

/* ---------- HERO SECTION ---------- */
.hero {
    padding: 80px 20px;
    text-align: center;
    background: linear-gradient(135deg, #ff9a9e, #fad0c4);
    color: #333;
}

.hero h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.hero p {
    max-width: 700px;
    margin: auto;
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    margin-top: 25px;
    padding: 12px 25px;
    background: #182848;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: 0.3s;
}

.btn:hover {
    background: #4b6cb7;
}

/* ---------- CONTENT SECTIONS ---------- */
section {
    padding: 40px;
    max-width: 1000px;
    margin: 30px auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: background 0.3s, color 0.3s;
}

.dark-mode section {
    background: #1e1e1e;
}

/* ---------- PROFILE PHOTO ---------- */
.profile-container {
    text-align: center;
    margin-bottom: 20px;
}

.profile-photo {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    border: 4px solid #4b6cb7;
    transition: 0.3s;
}

.profile-photo:hover {
    transform: scale(1.05);
}

/* ---------- PROJECT CARDS ---------- */
.project-card {
    background: #f9f9ff;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    border-left: 6px solid #4b6cb7;
    transition: 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    background: #eef1ff;
}

.dark-mode .project-card {
    background: #2a2a2a;
    border-left-color: #ffdd57;
}

/* ---------- GALLERY ---------- */
.gallery {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.gallery img {
    width: 32%;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: 0.3s;
}

.gallery img:hover {
    transform: scale(1.05);
}
/* ---------- FLOATING CONTACT BUTTON ---------- */
.floating-contact {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: 0.3s;
}

.floating-contact:hover {
    background: #ff4757;
}

/* ---------- HEADER CONTROLS ---------- */
.header-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    align-items: center;
}

#themeSelect {
    padding: 6px 10px;
    border-radius: 20px;
    border: none;
    font-size: 0.9rem;
}

/* ---------- SKILL BARS ---------- */
.skills-grid {
    display: grid;
    gap: 15px;
}

.skill-item span {
    font-weight: 600;
}

.skill-bar {
    width: 100%;
    height: 10px;
    background: #e0e0f5;
    border-radius: 10px;
    overflow: hidden;
    margin-top: 5px;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, #4b6cb7, #ffdd57);
    border-radius: 10px;
    animation: grow 1.2s ease-out;
}

@keyframes grow {
    from { width: 0; }
    to { width: 100%; }
}

/* ---------- SMALL BUTTON ---------- */
.btn.small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* ---------- FADE-IN ANIMATION ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUp 0.6s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- CHATBOT ---------- */
#chatbot {
    position: fixed;
    bottom: 25px;
    left: 25px;
    width: 260px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    overflow: hidden;
    font-size: 0.85rem;
    z-index: 1000;
}

.dark-mode #chatbot {
    background: #1e1e1e;
}

#chatbot-header {
    background: #4b6cb7;
    color: white;
    padding: 8px 10px;
    font-weight: 600;
}

#chatbot-body {
    max-height: 200px;
    overflow-y: auto;
    padding: 8px;
}

.chatbot-message {
    margin-bottom: 6px;
    padding: 6px 8px;
    border-radius: 8px;
}

.chatbot-message.bot {
    background: #eef1ff;
}

.dark-mode .chatbot-message.bot {
    background: #2a2a2a;
}

.chatbot-message.user {
    background: #ffdd57;
    text-align: right;
}

#chatbot-input-area {
    display: flex;
    border-top: 1px solid #ddd;
}

#chatbot-input {
    flex: 1;
    border: none;
    padding: 6px;
    font-size: 0.85rem;
}

#chatbot-send {
    border: none;
    background: #4b6cb7;
    color: white;
    padding: 6px 10px;
    cursor: pointer;
}

/* ---------- THEME VARIANTS ---------- */
body.theme-royal header {
    background: linear-gradient(135deg, #1e3c72, #fdbb2d);
}

body.theme-purple header {
    background: linear-gradient(135deg, #7f00ff, #00c9ff);
}

body.theme-emerald header {
    background: linear-gradient(135deg, #004e92, #00c9a7);
}

body.theme-sunset header {
    background: linear-gradient(135deg, #ff7e5f, #feb47b);
}

/* ---------- FOOTER ---------- */
footer {
    text-align: center;
    padding: 25px;
    background: #182848;
    color: white;
    margin-top: 40px;
}