:root {
    --bg-color: #0b1120;
    --card-bg: #172033;
    --card-hover: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --accent-hover: #0ea5e9;
    --success: #10b981;
    --danger: #ef4444;
    --border-color: #334155;
    --input-bg: #1e293b;
    --font-main: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

.top-nav {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    z-index: 2000;
}

.nav-container {
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 15px;
}

.nav-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-primary);
    text-transform: uppercase;
}

.nav-placeholder, .nav-actions {
    width: 40px;
}

.nav-emoji-btn {
    width: 35px;
    height: 35px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}

.nav-emoji-btn:hover {
    border-color: var(--accent-color);
    transform: scale(1.1);
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 5px;
    padding-top: 5px;
}

.balance-hidden {
    position: relative;
    color: transparent !important;
    user-select: none;
}

.balance-hidden::after {
    content: "৳ ****";
    visibility: visible;
    position: absolute;
    left: 0;
    top: 0;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

h2, h3 { font-weight: 600; color: var(--text-primary); }
h2 { font-size: 18px; margin-bottom: 15px; }

select, input, button, textarea {
    width: 100%;
    padding: 12px 15px;
    margin-top: 8px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: white;
    outline: none;
    font-size: 14px;
    transition: all 0.2s ease;
}

button {
    cursor: pointer;
    font-weight: 600;
    border: none;
}

button:active { transform: scale(0.98); }

.stats-grid {
    display: none;
}
.stats-grid.show-dashboard {
    display: grid !important;
}

.sim-selector-group{
	margin-top: 5px;
	margin-bottom: 5px;
	text-align: center;
}
.action-section{
	margin-top: 5px;
	text-align: center;
}

.stat-card {
    background: var(--card-bg);
    padding: 5px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
	margin-right: 5px;
	margin-top: 5px;
}

.stat-card h3 {
    font-size: 11px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
}

.stat-card p {
    font-size: 16px;
    font-weight: 700;
}

.eye-btn {
    font-size: 14px;
    margin-top: 8px;
    cursor: pointer;
    color: var(--accent-color);
    display: inline-block;
}

.modal {
    display: none;
    position: fixed; 
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    z-index: 9999;
    justify-content: center; 
    align-items: center;
}

.modal.open {
    display: flex;
}

.modal-content {
	max-height: 90vh;
	overflow-y: auto;
    background: var(--card-bg);
    padding: 20px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    width: 90%; max-width: 340px;
}
#manageSimsModal .modal-content {
    -webkit-overflow-scrolling: touch; /* আইফোনে স্ক্রল স্মুথ করবে */
}

.manage-bar {
    grid-column: span 2;
    display: flex; 
    gap: 12px;
    margin-top: 10px;
}

.manage-link {
    background: var(--input-bg);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 12px;
    color: var(--accent-color);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.limit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    gap: 2px;
    margin-bottom: 15px;
}

.mini-limit-box {
    background: var(--card-bg);
    padding: 2px;
    border-radius: 2px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.limit-title {
    display: block;
    font-size: 9px;
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 3px;
}

.limit-values {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-primary);
}

.limit-values b {
    color: var(--success);
}

.modal-content input {
    box-sizing: border-box;
    padding: 8px 0 !important;
    text-align: center;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: white;
    width: 100%;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.limit-input-row {
    display: grid;
    grid-template-columns: 4fr 1.2fr 4fr 1.2fr;
    gap: 2px;
    margin-top: 5px;
    align-items: center;
}

.limit-label {
    font-size: 10px;
    color: var(--accent-color);
    font-weight: bold;
    display: block;
    margin-top: 10px;
    text-transform: uppercase;
}

.hidden { display: none !important; }