:root {
    --pilastro-bg: #f8faff;
    --pilastro-main: #5d83ff; 
    --pilastro-soft: #e2e9ff;
    --pilastro-white: #ffffff;
    --pilastro-black: #1a1c1e;
    --pilastro-border: 3px solid var(--pilastro-black);
    --pilastro-shadow: 6px 6px 0px var(--pilastro-black);
    --pilastro-shadow-sm: 4px 4px 0px var(--pilastro-black);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Plus Jakarta Sans', sans-serif; }

body {
    background-color: var(--pilastro-bg);
    background-image: radial-gradient(var(--pilastro-soft) 1.5px, transparent 0);
    background-size: 24px 24px;
    color: var(--pilastro-black);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

.pilastro-lang {
    position: fixed; top: 20px; left: 20px;
    background: var(--pilastro-white); border: var(--pilastro-border);
    padding: 5px 12px; font-weight: 800; cursor: pointer; font-size: 0.75rem;
    box-shadow: var(--pilastro-shadow-sm); z-index: 100;
}

.pilastro-watermark {
    position: fixed; bottom: 20px; right: 20px;
    font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
    letter-spacing: 1px; color: var(--pilastro-black); text-decoration: none;
    display: flex; align-items: center; gap: 8px; transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--pilastro-white); border: 2px solid var(--pilastro-black);
    padding: 6px 12px; box-shadow: 4px 4px 0px var(--pilastro-black);
}

.pilastro-wrapper { 
    width: 100%; max-width: 900px; 
    display: flex; flex-direction: column; gap: 20px;
    animation: pilastroFade 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, opacity;
}

@keyframes pilastroFade {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pilastro-brand { font-weight: 800; font-size: 0.8rem; letter-spacing: 1px; color: var(--pilastro-main); text-transform: uppercase; margin-bottom: -10px; margin-left: 5px; }

.pilastro-search-container {
    position: relative;
    background: var(--pilastro-white);
    border: var(--pilastro-border);
    box-shadow: var(--pilastro-shadow);
    display: flex;
    padding: 5px;
    height: 80px;
    align-items: center;
}

#search-form { display: flex; width: 100%; height: 100%; }
.pilastro-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    max-height: 180px;
    overflow-y: auto;
    background: #fff;
    border: 2px solid #000;
    box-shadow: 4px 4px 0px #000;
    display: none;
    z-index: 100;
    transform-origin: top center;
    animation: microDrop 0.15s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.suggestion-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    
    padding: 8px 10px;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: 'Plus Jakarta Sans', monospace;
    color: #000;
    background: #fff;
    cursor: pointer;
    border-bottom: 2px solid #000;
    transition: all 0.1s ease;
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover,
.suggestion-item.active {
    background: #000;
    color: #fff;
    padding-left: 14px;
}

.suggestion-item:hover .delete-btn {
    color: #fff;
}

.suggestion-item:hover .delete-btn:hover {
    color: #fff;
}

.pilastro-suggestions::-webkit-scrollbar {
    width: 8px;
    background: #fff;
    border-left: 2px solid #000;
}

.pilastro-suggestions::-webkit-scrollbar-thumb {
    background: #000;
    border: 1px solid #fff;
}

.suggestion-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.delete-btn {
    font-weight: 900;
    color: #ff0000;
    padding: 0 4px;
    border-radius: 2px;
    font-size: 0.9rem;
    line-height: 1;
}

.delete-btn:hover {
    color: #fff;
}

@keyframes microDrop {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-5px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.pilastro-engine-btn {
    width: 70px; height: 100%; border-right: var(--pilastro-border);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: 0.15s; background: var(--pilastro-bg);
    position: relative;
}

.pilastro-search-container input { flex: 1; border: none; outline: none; padding: 0 25px; font-size: 1.2rem; font-weight: 500; background: transparent; }

.pilastro-submit-btn {
    background: var(--pilastro-main); color: white; border: var(--pilastro-border);
    padding: 0 35px; height: 100%; font-weight: 800; cursor: pointer; transition: 0.15s; text-transform: uppercase;
}

.pilastro-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 155px; gap: 15px; }

.pilastro-tile {
    background: var(--pilastro-soft); border: var(--pilastro-border);
    box-shadow: var(--pilastro-shadow); padding: 22px; text-decoration: none;
    color: var(--pilastro-black); display: flex; flex-direction: column;
    justify-content: space-between; transition: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}
.command-mode input {
    font-family: monospace;
    letter-spacing: 0.15px;
}

.pilastro-tile:hover { transform: translate(-4px, -4px); box-shadow: 10px 10px 0px var(--pilastro-black); background: var(--pilastro-white); }
.pilastro-tile i { font-size: 1.8rem; color: var(--pilastro-main); }
.pilastro-label { font-weight: 800; font-size: 0.85rem; }

.pilastro-tooltip {
    position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%);
    background: var(--pilastro-black); color: white; padding: 5px 10px;
    font-size: 0.65rem; border-radius: 4px; pointer-events: none;
    opacity: 0; transition: 0.15s; white-space: nowrap; margin-bottom: 8px;
    font-weight: 500; z-index: 1000;
}

.pilastro-tile:hover .pilastro-tooltip, .pilastro-engine-btn:hover .pilastro-tooltip { opacity: 1; margin-bottom: 12px; }

.pilastro-wide { grid-column: span 2; }
.pilastro-tall { grid-row: span 2; }
.tile-white { background: white; }
.tile-header { display: flex; justify-content: space-between; }
.note-header { display: flex; align-items: center; gap: 8px; }

.pilastro-accent { background: var(--pilastro-main); color: white; pointer-events: none; }
.pilastro-accent i { color: white; }
.pilastro-accent #date { font-weight: 800; font-size: 0.8rem; }
.pilastro-accent h2 { font-size: 1.6rem; }
.pilastro-accent p { font-size: 0.8rem; opacity: 0.9; }

#clock { font-size: 2.2rem; font-weight: 800; }
.pilastro-notes { width: 100%; height: 100%; border: none; background: transparent; resize: none; outline: none; font-size: 0.9rem; margin-top: 10px; font-weight: 500; }

@media (max-width: 992px) {
    .pilastro-wrapper { max-width: 800px; padding: 20px; }
    .pilastro-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    body { align-items: flex-start; padding: 15px; padding-top: 80px; overflow-y: auto; }
    .pilastro-lang { top: 15px; left: 15px; }
    .pilastro-watermark, .pilastro-tooltip { display: none !important; }
    .pilastro-wrapper { gap: 15px; }
    .pilastro-search-container { height: 70px; box-shadow: 4px 4px 0px var(--pilastro-black); }
    .pilastro-engine-btn { width: 75px; }
    .pilastro-search-container input { padding: 0 15px; font-size: 1rem; }
    .pilastro-submit-btn { padding: 0 20px; font-size: 0.8rem; }
    .pilastro-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: minmax(130px, auto); gap: 12px; }
}

@media (max-width: 480px) {
    body { padding-top: 70px; }
    .pilastro-brand { font-size: 0.65rem; margin-bottom: -8px; }
    .pilastro-search-container { height: 60px; }
    .pilastro-engine-btn { width: 60px; font-size: 1.2rem; }
    .pilastro-search-container input { padding: 0 10px; font-size: 0.9rem; }
    .pilastro-submit-btn { padding: 0 12px; font-size: 0.7rem; }
    .pilastro-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 105px; gap: 10px; }
    .pilastro-wide, .pilastro-tall, .pilastro-tile:nth-child(1), .pilastro-tile:nth-child(4) { grid-column: span 2 !important; grid-row: span 1 !important; }
    .pilastro-tile:nth-child(1), .pilastro-tile:nth-child(4) { height: auto; min-height: 110px; }
    .pilastro-tile { padding: 12px; border: 2px solid var(--pilastro-black); box-shadow: 4px 4px 0px var(--pilastro-black); }
    .pilastro-tile i { font-size: 1.3rem; }
    .pilastro-label { font-size: 0.75rem; }
    #clock { font-size: 1.6rem; }
    .pilastro-accent h2 { font-size: 1.1rem; }
    .pilastro-accent #date, .pilastro-accent p { font-size: 0.7rem; }
    .pilastro-notes { font-size: 0.8rem; margin-top: 5px; }
}

@media (max-width: 360px) {
    body { padding: 10px; padding-top: 65px; }
    .pilastro-wrapper { gap: 10px; }
    .pilastro-search-container { height: 55px; }
    .pilastro-engine-btn { width: 50px; font-size: 1rem; }
    .pilastro-submit-btn { padding: 0 8px; font-size: 0.65rem; }
    .pilastro-grid { grid-auto-rows: 95px; gap: 8px; }
    .pilastro-tile { padding: 10px; box-shadow: 3px 3px 0px var(--pilastro-black); }
    .pilastro-tile i { font-size: 1.1rem; }
    .pilastro-label { font-size: 0.7rem; }
    #clock { font-size: 1.4rem; }
    .pilastro-accent h2 { font-size: 1rem; }
    .pilastro-accent p { font-size: 0.65rem; }
}