:root {
    /* Primary colors */
    --color-primary: #006eff;
    --color-primary-hover: #0058cc;
    --color-primary-text: #ffffff;
    
    /* Header colors */
    --color-header-bg: #f8f9fa;
    --color-header-border: #e0e0e0;
    
    /* Logo colors */
    --color-logo-brand: #333333;
    --color-logo-workspace: #666666;
    
    /* Page colors */
    --color-page-bg: #f5f5f5;
    --color-text: #333333;
    --color-text-muted: #666666;
    
    /* Card colors */
    --color-card-bg: #ffffff;
    --color-card-border: #dddddd;
    
    /* Spacing */
    --header-height: 56px;
    --border-radius: 4px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--color-page-bg);
    min-height: 100vh;
    color: var(--color-text);
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    height: var(--header-height);
    background: var(--color-header-bg);
    border-bottom: 1px solid var(--color-header-border);
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    color: var(--color-primary);
}

.logo-icon .icon {
    width: 1.5rem;
    height: 1.5rem;
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 2;
}

/* Animated Droplet Logo */
.logo-icon-animated {
    position: relative;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 2px;
}

.droplet-svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-primary);
    z-index: 2;
    transform: translateY(-8px) scaleX(0.9) scaleY(1.1);
}

.droplet {
    fill: currentColor;
}

.ripple {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 2px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    opacity: 0;
}

@keyframes droplet-fall {
    0% {
        transform: translateY(-8px) scaleX(0.9) scaleY(1.1);
        opacity: 1;
    }
    30% {
        transform: translateY(-2px) scaleX(0.85) scaleY(1.15);
        opacity: 1;
    }
    60% {
        transform: translateY(4px) scaleX(0.8) scaleY(1.2);
        opacity: 1;
    }
    85% {
        transform: translateY(6px) scaleX(1) scaleY(0.8);
        opacity: 0.5;
    }
    100% {
        transform: translateY(6px) scaleX(1.2) scaleY(0.4);
        opacity: 0;
    }
}

@keyframes ripple-expand {
    0% {
        width: 4px;
        height: 2px;
        opacity: 0.8;
    }
    100% {
        width: 32px;
        height: 10px;
        opacity: 0;
    }
}

.app-logo .brand {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-logo-brand);
    letter-spacing: 0.5px;
}

.app-logo .workspace {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-logo-workspace);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Header Nav */
.header-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s ease;
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-primary-text);
}

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

/* Main Content */
.main-content {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Landing page specific */
.landing-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height));
    text-align: center;
    padding: 2rem;
}

.landing-content h1 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.landing-content p {
    font-size: 1rem;
    color: var(--color-text-muted);
    max-width: 400px;
    line-height: 1.5;
}