@import url('open-iconic/font/css/open-iconic-bootstrap.min.css');

/* ===== Global Styles ===== */
html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: white;
    text-align: center;
    min-height: 100vh;
}

/* Meta viewport à ajouter dans _Host.cshtml :
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
*/

/* ===== Focus & Links ===== */
h1:focus {
    outline: none;
}

a, .btn-link {
    color: #0071c1;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

/* ===== Content Padding ===== */
.content {
    padding-top: 1.1rem;
}

/* ===== Validation Styles ===== */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

/* ===== Blazor Error UI ===== */
#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

/* ===== Titles & Text ===== */
h3 {
    font-size: 8vw;
    margin-top: 5vw;
}

p strong {
    font-size: 4vw;
}

/* ===== Buttons ===== */
.number-btn {
    margin: 0 2%;
    width: 15vw;
    height: 15vw;
    border-radius: 18px;
    border: none;
    font-size: 5vw;
    background: rgba(255,255,255,0.08);
    color: white;
    transition: 0.2s ease;
}

    .number-btn:hover {
        transform: scale(1.1);
        background: rgba(255,255,255,0.15);
    }

.selected {
    background: #7c5cff;
    box-shadow: 0 0 15px #7c5cff;
}

/* ===== Grid ===== */
.grid {
    margin: 5vw auto;
    border-collapse: separate;
    border-spacing: 2vw;
    background: rgba(255,255,255,0.05);
    padding: 5vw;
    border-radius: 5vw;
}

    .grid td {
        border: none;
        width: 18vw;
        height: 18vw;
    }

/* ===== Cells ===== */
.cell {
    width: 100%;
    height: 100%;
    border-radius: 2vw;
    font-size: 4vw;
    background: rgba(255,255,255,0.07);
    color: black;
    transition: all 0.2s ease;
}

    .cell:hover {
        background: rgba(255,255,255,0.15);
    }

/* ===== Sum ===== */
.sum {
    font-weight: bold;
    opacity: 0.7;
}

/* ===== Animation Clear ===== */
.clearing {
    background: #4CAF50 !important;
    color: white;
    animation: pop 0.3s ease;
}

@keyframes pop {
    50% {
        transform: scale(1.15);
    }
}

/* ===== Game Over ===== */
.gameover {
    color: #ff6b6b;
    font-weight: bold;
    font-size: 5vw;
}

/* ===== Navbar Responsive ===== */
.navbar-toggler {
    display: block;
}

.collapse {
    display: none;
}

.nav-scrollable {
    height: auto;
}

/* ===== Desktop ===== */
@media (min-width: 641px) {
    .navbar-toggler {
        display: none;
    }

    .collapse {
        display: block;
    }

    .nav-scrollable {
        height: calc(100vh - 3.5rem);
        overflow-y: auto;
    }
}

/* ===== Small Screens Ultra Compact (< 400px) ===== */
@media (max-width: 400px) {

    html, body {
        padding: 3vw; /* espace partout */
    }

    h3 {
        font-size: 7vw;
        margin-top: 4vw;
    }

    .number-btn {
        width: 13vw;
        height: 13vw;
        font-size: 4.5vw;
    }

    .grid td {
        width: 13vw;
        height: 13vw;
    }

    .cell {
        font-size: 3vw;
        border-radius: 1vw;
    }

    p strong {
        font-size: 3vw;
    }

    .gameover {
        font-size: 3.5vw;
    }

    .grid {
        margin: 2vw auto;
        border-spacing: 1vw;
        padding: 2vw;
        border-radius: 2vw;
    }
}