/* ===== BASE ===== */
body {
    margin: 0;
    padding: 0;
    height: 100%;
    background-color: #1c1c1c;
    background-image: radial-gradient(circle, rgb(105, 105, 105) 1px, transparent 1px) !important;
    background-size: 40px 40px !important;
    font-family: 'Nunito', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #eaeaea;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== HEADER ===== */
header {
    background-color: black;
    color: white;
    top: 0;
    width: 100%;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
    padding: 0 15px;
    gap: 10px;
    position: sticky;
    top: 0;
    z-index: 50;
}

header .title {
    flex-shrink: 0;
}

header h1 {
    margin: 0;
    font-weight: 700;
    font-size: clamp(0.9rem, 2.5vw, 1.3rem);
    white-space: nowrap;
    font-family: 'Nunito', system-ui, sans-serif;
}

header .tools {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: nowrap;
    flex-shrink: 1;
    min-width: 0;
}

.tools span {
    border: 1px solid gray;
    padding: 3px 8px;
    text-align: center;
    background-color: #0d0d0d;
    color: white;
    white-space: nowrap;
    font-size: clamp(0.7rem, 1.5vw, 0.85rem);
    border-radius: 4px;
    flex-shrink: 0;
}

.tools button {
    height: 30px;
    padding: 0 10px;
    background-color: #0d0d0d;
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: white;
    font-family: inherit;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    font-size: clamp(0.65rem, 1.4vw, 0.8rem);
    white-space: nowrap;
    flex-shrink: 0;
}

/* ===== WALL ===== */
.wall {
    width: 100%;
    min-height: calc(100vh - 3.5rem);
    padding: 20px;
    box-sizing: border-box;
    gap: 20px;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    justify-content: flex-start;
}

/* ===== CARDS ===== */
.card {
    /* Desktop: 6 per row */
    width: calc((100% - 5 * 20px) / 6);
    min-height: 120px;
    z-index: 3;
    border: 1px solid rgba(0, 0, 0, 0.12);
    text-align: center;
    padding: 15px;
    box-sizing: border-box;
    font-family: 'Patrick Hand', 'Nunito', system-ui, sans-serif;
    font-size: 1rem;
    color: #1b1b1b;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
    transform-origin: center top;
}

/* Card colors */
.card.Cream { box-shadow: 0 6px 18px rgba(255,249,214,0.7); background-color: #fff9d6; }
.card.Blush { box-shadow: 0 6px 18px rgba(255,220,222,0.7); background-color: #ffdfe0; }
.card.Mist  { box-shadow: 0 6px 18px rgba(217,231,232,0.7); background-color: #dfeff1; }
.card.Sage  { box-shadow: 0 6px 18px rgba(205,231,205,0.7); background-color: #d6ecce; }
.card.Lilac { box-shadow: 0 6px 18px rgba(233,214,238,0.7); background-color: #eadff6; }
.card.Wheat { box-shadow: 0 6px 18px rgba(245,227,190,0.7); background-color: #f6e7c8; }

/* Card styles */
.card.lined {
    background-image: repeating-linear-gradient(0deg, transparent, transparent 20px, rgba(0,0,0,0.15) 24px, rgba(0,0,0,0.15) 25px),
                      repeating-linear-gradient(90deg, transparent, transparent 24px, rgba(0,0,0,0.15) 24px, rgba(0,0,0,0.15) 25px);
}
.card.dotted {
    background-image: radial-gradient(circle, rgba(0,0,0,0.18) 1px, transparent 1px) !important;
    background-size: 16px 16px !important;
}
.card.square {
    background-image: repeating-linear-gradient(0deg, transparent, transparent 28px, rgba(0,0,0,0.07) 28px, rgba(0,0,0,0.07) 29px);
}
.card.dark {
    background-color: #2a2a2a !important;
    background-image: none !important;
    border-color: #555 !important;
    color: white !important;
}

/* Card tilts */
.card.tilt-left  { transform: rotate(-4deg) translateY(-2px); }
.card.tilt-right { transform: rotate(4deg) translateY(-2px); }
.card.tilt-normal{ transform: rotate(0deg) translateY(0); }

/* ===== CREATE BUTTON ===== */
.Create-btn {
    box-shadow: 4px 4px 0px #0d0d0d;
    transition: transform 0.12s, box-shadow 0.12s;
}
.Create-btn button {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 200;
    width: 56px;
    height: 56px;
    font-size: 1.5rem;
    border: 2px solid darkslategrey;
    border-radius: 50%;
    cursor: pointer;
    background: #1c1c1c;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}
.Create-btn:hover { box-shadow: 6px 6px 0px #0d0d0d; }

/* ===== NEW NOTE PANEL ===== */
.After-Create-btn {
    display: flex;
    position: fixed;
    top: 10vh;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.45s cubic-bezier(.2,.9,.2,1), opacity 0.45s ease;
    width: 90vw;
    max-width: 420px;
}

.After-Create-btn.open {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.After-Create-btn.falling {
    opacity: 0;
    transform: translateX(-50%) translateY(120vh);
}

.New-class {
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    background-color: #ece9e0;
    background-image: repeating-linear-gradient(0deg, transparent, transparent 28px, rgba(0,0,0,0.07) 28px, rgba(0,0,0,0.07) 29px);
    display: flex;
    flex-direction: column;
    color: #1c1c1c;
    border-radius: 4px;
}

.New-class h2 {
    font-size: 1.3rem;
    text-indent: 5px;
    margin: 0 0 15px 0;
    padding: 15px 15px 10px;
    border-bottom: 2px solid #1c1c1c;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #1c1c1c;
    position: sticky;
    top: 0;
    background: #ece9e0;
    z-index: 1;
}

.New-class > p {
    margin: 15px 0 5px;
    text-indent: 10px;
    padding-left: 15px;
    font-size: 1rem;
    color: #1c1c1c;
}

/* Color picker */
.Color-picker {
    padding-left: 15px;
    z-index: 110;
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.Color-picker > div {
    border: 2px solid black;
    width: 28px;
    height: 28px;
    cursor: pointer;
    border-radius: 2px;
}
.color-Cream { background-color: #FFFDD0; }
.color-Blush { background-color: #f0cccf; }
.color-Mist  { background-color: #CDD8D9; }
.color-Sage  { background-color: #9CAF88; }
.color-Lilac { background-color: #C8A2C8; }
.color-Wheat { background-color: wheat; }
.color-dot:hover { transform: scale(1.15); }
.color-dot.selected { transform: scale(1.15); box-shadow: 3px 3px 0 #1c1c1c; }

/* Style grid */
.grid {
    z-index: 110;
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
    padding-left: 15px;
}
.grid .style {
    width: 36px;
    height: 36px;
    border: 2px solid #1c1c1c;
    cursor: pointer;
    background: #f0ead8;
    transition: transform 0.12s, box-shadow 0.12s;
    overflow: hidden;
    flex-shrink: 0;
    border-radius: 2px;
}
.style:hover  { transform: scale(1.1); }
.style.selected { transform: scale(1.1); box-shadow: 3px 3px 0 #1c1c1c; }
.grid .lined  { background-image: repeating-linear-gradient(0deg, transparent, transparent 6px, rgba(0,0,0,0.15) 6px, rgba(0,0,0,0.15) 7px); }
.grid .plane  { background: #f0ead8; }
.grid .graph  { background-image: repeating-linear-gradient(0deg, transparent, transparent 6px, rgba(0,0,0,0.15) 6px, rgba(0,0,0,0.15) 7px), repeating-linear-gradient(90deg, transparent, transparent 6px, rgba(0,0,0,0.15) 6px, rgba(0,0,0,0.15) 7px); }
.grid .dotted { background-image: radial-gradient(circle, rgba(0,0,0,0.3) 1px, transparent 1px); background-size: 6px 6px; }
.grid .dark   { background: #2a2a2a; }

/* Textarea */
.inp {
    width: calc(100% - 30px);
    margin: 0 15px 10px;
    height: 160px;
    border: 1px solid #1c1c1c;
    padding: 10px;
    font-size: 1rem;
    background: #fff;
    color: black;
    resize: none;
    outline: none;
    transition: box-shadow 0.15s;
    letter-spacing: 0.3px;
    box-sizing: border-box;
    font-family: 'Patrick Hand', sans-serif;
}
.inp:focus { box-shadow: 3px 3px 0 #1c1c1c; }

.len-inp {
    text-align: right;
    margin-right: 15px;
    color: #1c1c1c;
    font-weight: 500;
    font-size: 0.85rem;
}

.empty span {
    padding-left: 15px;
    color: #c41e3a;
    font-size: 0.85rem;
}

/* Buttons */
.btn-select {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 12px 15px;
    gap: 10px;
    margin-top: auto;
}
.btn-select .cancel {
    background: transparent;
    border: none;
    padding: 0 12px;
    height: 36px;
    letter-spacing: 0.3px;
    color: #1c1c1c;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
}
.btn-select .post {
    background: black;
    border: none;
    padding: 0 18px;
    height: 40px;
    color: white;
    letter-spacing: 1px;
    box-shadow: 4px 4px 0px #0d0d0d;
    transition: transform 0.12s, box-shadow 0.12s;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    border-radius: 2px;
}
.post:hover { transform: translate(-2px, -2px); }

/* Dimming overlays */
.wall:has(.After-Create-btn.open) .card,
.wall:has(.After-Create-btn.falling) .card { opacity: 0.3; }
body:has(.After-Create-btn.open) header,
body:has(.After-Create-btn.falling) header { opacity: 0.3; }
body:has(.After-Create-btn.open) .Create-btn,
body:has(.After-Create-btn.falling) .Create-btn { opacity: 0.3; }


/* ===== RESPONSIVE BREAKPOINTS ===== */

/* Large tablets / small desktops: 4 per row */
@media (max-width: 1100px) {
    .card {
        width: calc((100% - 3 * 20px) / 4);
    }
}

/* Tablets: 3 per row */
@media (max-width: 768px) {
    header {
        height: auto;
        min-height: 3.2rem;
        padding: 8px 12px;
        flex-wrap: wrap;
        gap: 6px;
    }

    header .tools {
        gap: 6px;
        flex-wrap: wrap;
    }

    .tools button {
        height: 28px;
        padding: 0 8px;
        font-size: 0.7rem;
    }

    .tools span {
        font-size: 0.7rem;
        padding: 3px 6px;
    }

    .wall {
        padding: 14px;
        gap: 14px;
    }

    .card {
        width: calc((100% - 2 * 14px) / 3);
        min-height: 100px;
        font-size: 0.9rem;
    }

    .After-Create-btn {
        top: 5vh;
        width: 92vw;
        max-width: 92vw;
    }

    .New-class {
        max-height: 90vh;
    }
}

/* Mobile: 2 per row */
@media (max-width: 480px) {
    header h1 {
        font-size: 0.95rem;
    }

    .tools button {
        padding: 0 6px;
        font-size: 0.65rem;
        height: 26px;
    }

    .tools span {
        font-size: 0.65rem;
        padding: 2px 5px;
    }

    .wall {
        padding: 12px;
        gap: 12px;
    }

    .card {
        width: calc((100% - 12px) / 2);
        min-height: 90px;
        font-size: 0.85rem;
        padding: 10px;
    }

    .Create-btn button {
        width: 50px;
        height: 50px;
        bottom: 18px;
        right: 18px;
        font-size: 1.3rem;
    }

    .After-Create-btn {
        top: 3vh;
        width: 96vw;
        max-width: 96vw;
    }

    .New-class {
        max-height: 93vh;
    }

    .New-class h2 {
        font-size: 1.1rem;
        padding: 12px 12px 8px;
    }

    .inp {
        height: 130px;
        font-size: 0.95rem;
    }

    .btn-select .post {
        height: 36px;
        font-size: 0.85rem;
    }
}

/* Very small phones */
@media (max-width: 360px) {
    .card {
        width: 100%;
    }

    header .tools {
        justify-content: flex-start;
    }
}