@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Refined & Professional */
    --bg-body: #f1f5f9;
    /* Slate 100 - Soft background for contrast */
    --bg-card: #ffffff;

    --text-primary: #0f172a;
    /* Slate 900 - Deep dark for headings */
    --text-secondary: #334155;
    /* Slate 700 - Readable body text */
    --text-muted: #64748b;
    /* Slate 500 - Meta info */

    --accent-color: #0369a1;
    /* Sky 700 - Professional Blue */
    --accent-light: #e0f2fe;
    /* Sky 100 - Soft background for tags */
    --accent-hover: #0284c7;
    /* Sky 600 */

    --border-color: #e2e8f0;
    /* Slate 200 */

    /* Dark Mode Variables */
    --bg-body-dark: #0f172a;
    --bg-card-dark: #1e293b;
    --text-primary-dark: #f1f5f9;
    --text-secondary-dark: #cbd5e1;
    --text-muted-dark: #94a3b8;
    --border-color-dark: #334155;
    --accent-color-dark: #38bdf8;
    /* Sky 400 - Lighter for dark mode */
    --accent-hover-dark: #7dd3fc;
    /* Sky 300 */

    /* Spacing & Layout */
    --container-width: 850px;
    /* Optimal reading width */
    --section-spacing: 2.5rem;
    --item-spacing: 1.5rem;

    /* Typography */
    --font-main: 'Inter', sans-serif;

    /* Transitions */
    --transition-speed: 0.3s ease;
}

/* Dark Mode Class */
body.dark-mode {
    background-color: var(--bg-body-dark);
    color: var(--text-secondary-dark);
}

body.dark-mode .container {
    background: var(--bg-card-dark);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
    color: var(--text-primary-dark);
}

body.dark-mode .resume-date {
    background: var(--bg-body-dark);
    color: var(--text-muted-dark);
}

body.dark-mode .skill-tag {
    background-color: rgba(3, 105, 161, 0.2);
}

body.dark-mode header,
body.dark-mode h2,
body.dark-mode footer {
    border-color: var(--border-color-dark);
}

body.dark-mode .profile-img {
    border-color: var(--bg-card-dark);
}

body.dark-mode .resume-content li,
body.dark-mode .resume-company,
body.dark-mode .contact-info,
body.dark-mode p {
    color: var(--text-secondary-dark);
}

body.dark-mode .resume-title,
body.dark-mode .header-role {
    color: var(--text-primary-dark);
}

body.dark-mode a {
    color: var(--accent-color-dark);
}

body.dark-mode a:hover {
    color: var(--accent-hover-dark);
}

body.dark-mode .contact-item i {
    color: var(--accent-color-dark);
}

body.dark-mode .skill-tag {
    background-color: rgba(56, 189, 248, 0.15);
    color: var(--accent-color-dark);
}

body.dark-mode .skill-tag:hover {
    border-color: var(--accent-color-dark);
    background-color: var(--bg-card-dark);
}

body.dark-mode .control-btn {
    background: var(--accent-color-dark);
    color: var(--bg-body-dark);
}

body.dark-mode .control-btn:hover {
    background: var(--accent-hover-dark);
}

body {
    background-color: var(--bg-body);
    color: var(--text-secondary);
    font-family: var(--font-main);
    line-height: 1.6;
    margin: 0;
    padding: 2rem 1rem;
    -webkit-font-smoothing: antialiased;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Main Container - Paper-like effect */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 4rem 3.5rem;
    background: var(--bg-card);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border-radius: 8px;
    transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-primary);
    margin-top: 0;
    font-weight: 700;
    line-height: 1.2;
    transition: color var(--transition-speed), border-color var(--transition-speed);
}

h1 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
    margin-top: 0.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Header Section */
header {
    margin-bottom: 3.5rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2.5rem;
    transition: border-color var(--transition-speed);
}

.header-content {
    flex: 1;
}

.profile-img {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: border-color var(--transition-speed);
}

.header-role {
    font-size: 1.15rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 1rem;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--transition-speed);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-item i {
    color: var(--accent-color);
    font-size: 0.9rem;
    transition: color var(--transition-speed);
}

/* Sections */
section {
    margin-bottom: var(--section-spacing);
}

/* Experience & Education Items */
.resume-item {
    margin-bottom: var(--item-spacing);
}

.resume-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.resume-title {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
}

.resume-company {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-speed);
}

.resume-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    background: var(--bg-body);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.resume-content ul {
    margin: 0.5rem 0 0 0;
    padding-left: 1.2rem;
}

.resume-content li {
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color var(--transition-speed);
}

/* Skills Section */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    background-color: var(--accent-light);
    color: var(--accent-color);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    /* Pill shape */
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid transparent;
    transition: all 0.2s, background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
}

.skill-tag:hover {
    border-color: var(--accent-color);
    background-color: white;
}

/* Footer */
footer {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 4rem;
    transition: border-color var(--transition-speed);
}

/* Control Panel */
.control-panel {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
}

.control-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: var(--accent-color);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s, background 0.2s, color var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.control-btn:hover {
    transform: translateY(-3px);
    background: var(--accent-hover);
}

@media print {
    .control-panel {
        display: none;
    }

    body {
        background: white;
        padding: 0;
    }

    .container {
        box-shadow: none;
        max-width: 100%;
        padding: 0;
        margin: 0;
        border: none;
    }

    .resume-date {
        background: none;
        border: 1px solid #ccc;
    }

    a {
        text-decoration: none;
        color: var(--text-primary);
    }

    h2 {
        border-bottom: 2px solid #000;
        color: #000;
    }

    .skill-tag {
        border: 1px solid #ccc;
        color: #000;
        background: none;
    }
}

/* Responsive */
@media (max-width: 650px) {
    body {
        padding: 0;
    }

    .container {
        padding: 2rem 1.5rem;
        border-radius: 0;
        box-shadow: none;
    }

    header {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .contact-info {
        justify-content: center;
    }

    .resume-header {
        flex-direction: column;
        gap: 0.25rem;
    }

    .resume-date {
        align-self: flex-start;
        margin-top: 0.25rem;
    }
}