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

:root {
    /* Dark Theme (Portfolio Default) */
    --bg: #0A0A0A;
    --text-primary: #EDEDED;
    --text-secondary: #9CA3AF;
    --accent: #06B6D4;
    --accent-hover: #0891B2;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(0, 0, 0, 0.2);
    --success: #10B981;
    --nav-bg: rgba(10, 10, 10, 0.8);
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

[data-theme="light"] {
    --bg: #FAFAFA;
    --text-primary: #171717;
    --text-secondary: #4B5563;
    --accent: #0891B2;
    --accent-hover: #0E7490;
    --card-bg: rgba(0, 0, 0, 0.03);
    --border: rgba(0, 0, 0, 0.1);
    --input-bg: #FFFFFF;
    --nav-bg: rgba(250, 250, 250, 0.8);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, .brand-name {
    font-family: var(--font-heading);
    letter-spacing: -0.05em;
}

.cyan-text { color: var(--accent); }

/* Navigation */
.pro-nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: 70px;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
}

.brand-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo { color: var(--accent); font-size: 1.5rem; }
.brand-name { font-size: 1.2rem; font-weight: 700; }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
}

/* Page Layout */
.page-container {
    padding-top: 120px;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-section {
    text-align: center;
    margin-bottom: 80px;
}

.hero-section h1 {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.hero-section p {
    color: var(--text-secondary);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Main Grid */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 100px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
}

.module-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.module-header span {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
}

/* Clock */
.clock-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

#analogClock {
    max-width: 100%;
    height: auto;
}

#timeDisplay {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
}

/* Forms */
.field-group {
    margin-bottom: 32px;
}

.field-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

textarea, input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s;
}

textarea:focus, input:focus {
    outline: none;
    border-color: var(--accent);
}

textarea { min-height: 120px; resize: none; }

/* Buttons */
.btn-group {
    display: flex;
    gap: 12px;
    margin-bottom: 0; /* Margin handled by output-area top margin */
}

.btn {
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--card-bg);
    border-color: var(--text-secondary);
}

/* Results Area */
.output-area {
    margin-top: 32px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 24px;
}

.copy-pill:hover {
    background: rgba(255, 255, 255, 0.1);
}

.copy-pill.success {
    border-color: var(--success);
}

.copy-pill.success i {
    color: var(--success);
}

/* Footer */
.pro-footer {
    padding: 100px 24px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Tabs */
.tab-btns {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    padding: 10px 0;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 700;
    cursor: pointer;
    position: relative;
}

.tab-btn.active {
    color: var(--accent);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
}