@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* Global Base Styles */
* {
    box-sizing: border-box;
}

:root {
    /* Fonts */
    --font-family-title: 'Outfit', sans-serif;
    --font-family-body: 'Plus Jakarta Sans', sans-serif;

    /* Light Theme Variables */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-header: rgba(255, 255, 255, 0.85);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #e2e8f0;
    --accent-color: #1976d2;
    --accent-gradient: linear-gradient(135deg, #1976d2 0%, #3b82f6 100%);
    --accent-glow: rgba(25, 118, 210, 0.15);
    --accent-hover: #0d47a1;
    --shadow-color: rgba(15, 23, 42, 0.05);
    --card-bg: #ffffff;
    --footer-bg: #0f172a;

    /* Canvas Theme Variables (defaults - will be overridden by ThemeManager) */
    --canvas-bg: #0f172a;
    --canvas-grid: #1e293b;
    --canvas-text-primary: #f1f5f9;
    --canvas-text-secondary: #94a3b8;

    /* Node type colors */
    --node-input-bg: #1e293b;
    --node-input-border: #38bdf8;
    --node-input-text: #ffffff;
    --node-input-accent: #0ea5e9;

    --node-process-bg: #1e293b;
    --node-process-border: #818cf8;
    --node-process-text: #ffffff;
    --node-process-accent: #4f46e5;

    --node-output-bg: #1e293b;
    --node-output-border: #34d399;
    --node-output-text: #ffffff;
    --node-output-accent: #10b981;

    --node-control-bg: #1e293b;
    --node-control-border: #f87171;
    --node-control-text: #ffffff;
    --node-control-accent: #ef4444;

    /* Port colors */
    --port-idle: #475569;
    --port-active: #38bdf8;
    --port-connected: #10b981;

    /* Link colors */
    --link-idle: #334155;
    --link-active: #38bdf8;
    --link-error: #ef4444;
    --link-animation-speed: 1.0s;
}

[data-theme="dark"] {
    /* Dark Theme Variables */
    --bg-primary: #08090a;
    --bg-secondary: #0f1115;
    --bg-header: rgba(15, 17, 21, 0.85);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #1e293b;
    --accent-color: #39e5d3;
    --accent-gradient: linear-gradient(135deg, #39e5d3 0%, #6366f1 100%);
    --accent-glow: rgba(57, 229, 211, 0.25);
    --accent-hover: #2cd3c2;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --card-bg: rgba(15, 17, 21, 0.7);
    --footer-bg: #050608;

    /* Canvas theme inherits from Tokyo Slate by default in dark mode */
    --canvas-bg: #0f172a;
    --canvas-grid: #1e293b;
}

body {
    margin: 0;
    font-family: var(--font-family-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    width: 100%;
    transition: background 0.3s ease, color 0.3s ease;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-family-title);
    letter-spacing: -0.02em;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 2.5rem;
    background: var(--bg-header);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 20px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-brand img {
    width: 42px;
    height: auto;
}

.header-brand h1 {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 0;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.login-link {
    color: var(--text-primary);
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.25s ease;
}

.login-link:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 12px var(--accent-glow);
}

/* Theme Toggle Button Styles */
.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.25s ease;
}

.theme-toggle-btn:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    transform: rotate(15deg);
    box-shadow: 0 0 12px var(--accent-glow);
}

.footer {
    background-color: var(--footer-bg);
    color: #f1f5f9;
    padding: 4rem 2rem 2rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
}

.footer .social-links {
    margin-bottom: 2rem;
}

.footer .social-links a {
    color: var(--text-secondary);
    margin: 0 1rem;
    font-size: 1.5rem;
    transition: color 0.25s ease, transform 0.25s ease;
    display: inline-block;
}

.footer .social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.footer .newsletter {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.footer .newsletter label {
    display: block;
    width: 100%;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.footer .newsletter input {
    padding: 0.8rem 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 8px;
    font-size: 1rem;
    min-width: 250px;
    transition: all 0.25s ease;
}

.footer .newsletter input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 12px var(--accent-glow);
}

.footer .newsletter button {
    padding: 0.8rem 1.5rem;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.25s ease;
}

.footer .newsletter button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* User Profile Header Styles */
.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    position: relative;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.user-profile:hover {
    background: var(--bg-primary);
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e0e7ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a237e;
    font-size: 1.2rem;
    border: 2px solid #3b82f6;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.1);

    overflow: hidden;
    /* Prevent image overflow */
    flex-shrink: 0;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.user-info {
    display: flex;
    flex-direction: column;
    text-align: right;
    min-width: 80px;
}

.user-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1a237e;
    line-height: 1.2;
    white-space: nowrap;
}

.user-status {
    font-size: 0.75rem;
    color: #3b82f6;
    margin-top: 1px;
    font-weight: 600;
}

.workspace-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    transition: all 0.2s ease;
}

.workspace-selector:hover {
    border-color: var(--accent-color);
}

.org-select {
    background: transparent;
    border: none;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
    font-family: inherit;
}

.org-select option {
    background: #1e1e24;
    color: #ffffff;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .header {
        padding: 0.8rem 1.2rem;
    }

    .header-brand h1 {
        font-size: 1.3rem;
    }

    .header-brand img {
        width: 32px;
    }
}

@media (max-width: 600px) {
    .user-info {
        display: none;
    }

    .user-profile {
        padding: 0.2rem;
        gap: 0;
    }
}