/* ============================================================
   ACE — Retrieve Frequency
   reverse_frequency.css
   ------------------------------------------------------------
   Page-specific styling only.
   navigation.css remains loaded first.
   ============================================================ */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 22px;
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f7f8;
    color: #212529;
}

.frequency-page {
    width: min(1100px, 100%);
    margin: 0 auto;
}

.frequency-header {
    margin-bottom: 16px;
}

.frequency-header h1 {
    margin: 0 0 6px;
    font-size: 30px;
    line-height: 1.2;
}

.frequency-header p {
    margin: 0;
    color: #5c636a;
}

.frequency-card {
    margin-top: 18px;
    padding: 20px;
    border: 1px solid #d9dee3;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 2px 7px rgba(0, 0, 0, 0.05);
}

.frequency-form {
    margin: 0;
}

.frequency-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

.frequency-input-row {
    display: flex;
    align-items: stretch;
    gap: 10px;
    flex-wrap: wrap;
}

.ace-keyboard-input {
    flex: 1 1 500px;
    min-width: 260px;
    padding: 12px 14px;
    border: 1px solid #adb5bd;
    border-radius: 7px;
    background: #fff;
    font-size: 28px;
    line-height: 1.5;
    text-align: right;
}

.ace-keyboard-input:focus {
    outline: 2px solid rgba(13, 110, 253, 0.2);
    border-color: #0d6efd;
}

.frequency-submit {
    padding: 10px 18px;
    border: 0;
    border-radius: 7px;
    background: #198754;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
}

.frequency-submit:hover {
    background: #146c43;
}

.frequency-keyboard-wrap {
    margin-top: 14px;
}

/*
 * These rules intentionally target common ACE keyboard
 * structures without replacing the keyboard's JavaScript.
 */

.frequency-keyboard-wrap button {
    cursor: pointer;
}

.frequency-keyboard-wrap .ace-arabic-keyboard,
.frequency-keyboard-wrap .arabic-keyboard {
    max-width: 100%;
}

.frequency-warning {
    margin-top: 14px;
    padding: 10px 12px;
    border: 1px solid #f0ad4e;
    border-radius: 7px;
    background: #fff8e5;
}

.frequency-result {
    display: grid;
    gap: 14px;
}

.result-row {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.result-label {
    min-width: 150px;
    font-weight: 700;
}

.result-arabic {
    font-size: 30px;
    line-height: 1.6;
}

.diagnostic-row {
    color: #495057;
}

.frequency-number-wrap {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 16px 18px;
    border: 1px solid #b7dfc7;
    border-radius: 9px;
    background: #f1fbf5;
}

.frequency-number-label {
    font-size: 18px;
    font-weight: 700;
}

.frequency-number {
    font-size: 42px;
    line-height: 1;
}

.frequency-diagnostics {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
    padding-top: 4px;
    color: #6c757d;
    font-size: 14px;
}

.frequency-errors {
    padding-top: 8px;
    color: #842029;
}

.frequency-errors pre {
    overflow-x: auto;
    padding: 12px;
    border-radius: 6px;
    background: #f8d7da;
    white-space: pre-wrap;
}

code {
    font-family: Consolas, "Courier New", monospace;
}

@media (max-width: 700px) {
    body {
        padding: 12px;
    }

    .frequency-card {
        padding: 14px;
    }

    .frequency-input-row {
        display: block;
    }

    .ace-keyboard-input {
        width: 100%;
        min-width: 0;
    }

    .frequency-submit {
        width: 100%;
        margin-top: 10px;
    }

    .frequency-number {
        font-size: 36px;
    }
}