/* ==============================================
   MAIN CONTENT AREA
   ============================================== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    position: relative;
    display: flex;
    flex: 1;
    flex-direction: column;
    z-index: 1;
}

#app {
    margin: 0 auto;
    padding: 30px;
    width: 100%;
    max-width: 1100px;
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: var(--space-xl);
}

#app.tool-wide {
    max-width: 1300px;
}

/* ==============================================
   TOOL HEADER
   ============================================== */
.home-header,
.tool-header {
    border: 1px solid var(--glass-border);
    padding: 35px 30px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    overflow: hidden;
    text-align: center;
    border-radius: var(--radius-lg);
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.home-header::before,
.tool-header::before {
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-primary), transparent);
    opacity: 0.6;
    content: '';
}

.home-header::after {
    position: absolute;
    inset: auto 0 0 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-primary), transparent);
    opacity: 0.6;
    content: '';
}

.tool-header h1 {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    font-weight: 700;
    font-size: 2.2rem;
    color: var(--text-heading);
    text-shadow: var(--glow-xs);
}

.home-header h1 img,
.tool-header h1 img {
    width: 48px;
    height: 48px;
    animation: float 5s ease-in-out infinite;
}

.tool-header p {
    font-size: 1.05rem;
    color: var(--text-muted);
}

/* ==============================================
   HOME GALLERY
   ============================================== */
.home-header h1 {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    font-size: 2.6rem;
    color: var(--text-heading);
}

.home-header h1 .brand-text {
    text-shadow: var(--glow-xs);
}

.home-header h1 .brand-accent {
    margin-left: 5px;
    padding: 0 7px;
    font-weight: 700;
    color: var(--bg-deep);
    border-radius: 5px;
    background: var(--neon-primary);
    text-shadow: var(--glow-xs);
    filter: drop-shadow(0 0 12px color-mix(in srgb, var(--neon-primary) 35%, transparent));
}

.home-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.tools-gallery {
    padding: 10px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
}

.tools-gallery > * {
    flex: 1 1 300px;
    max-width: calc(33.33% - (var(--space-lg) * 2 / 3));
}

/* ==============================================
   FOOTER
   ============================================== */
.app-footer {
    margin-top: auto;
    padding: 16px 30px;
    font-size: 0.85rem;
    text-align: center;
    color: var(--text-muted);
}

.app-footer span {
    color: #e74c3c;
}

#footer-phrase {
    color: inherit;
}

.app-footer a {
    font-weight: 600;
    color: var(--text-secondary);
}

.app-footer a:hover {
    color: var(--neon-primary);
    text-shadow: var(--glow-xs);
}

/* ==============================================
   TOOL WORKSTATIONS
   ============================================== */
.card.workstation-card {
    padding: 0;
    overflow: hidden;
}

.workstation-grid {
    display: grid;
    gap: 0;
}

.workstation-grid.items-2 {
    grid-template-columns: 1fr 1fr;
}

.workstation-grid.items-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.workstation-panel {
    padding: var(--workspace-padding);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.workstation-panel:not(:last-child) {
    border-right: 1px solid var(--glass-border);
}

.workstation-controls {
    border-top: 1px solid var(--glass-border);
    padding: 20px var(--workspace-padding);
    background: rgba(10, 10, 20, 0.3);
}

/* ==============================================
   MEDIA QUERIES
   ============================================== */
@media (max-width: 1024px) {
    .main-content {
        margin-left: 0;
    }

    #app {
        padding: 20px 15px;
    }

    .tools-gallery > * {
        max-width: calc(50% - (var(--space-lg) / 2));
    }

    .workstation-grid.items-2,
    .workstation-grid.items-3 {
        grid-template-columns: 1fr;
    }

    .workstation-panel:not(:last-child) {
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
    }

    .workstation-controls.flex-between {
        display: flex;
        flex-direction: column;
        gap: var(--space-md);
    }

    .workstation-controls.flex-between > * {
        width: 100%;
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .tool-header h1 {
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
        font-size: 1.7rem;
    }

    .home-header h1 {
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
        font-size: 1.9rem;
    }
}

@media (max-width: 576px) {
    .tools-gallery > * {
        max-width: 100%;
    }
}