/* ========================================================================== */
/* General Reset and Base Styles */
/* ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 95vh;
    background: #ab9ff2;
}

/* ========================================================================== */
/* Main Container */
/* ========================================================================== */
.app-container {
    background: #222222;
    padding: 15px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    width: 325px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    height: 610px;
    position: relative;
    overflow: hidden;
    margin-top: 10px;
}

/* ========================================================================== */
/* Logo and Title */
/* ========================================================================== */
.logo-container {
    text-align: center;
}

.logo {
    width: 150px;
}

/* ========================================================================== */
/* Header (Wallet Connect and Menu Button) */
/* ========================================================================== */
.header-container {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    z-index: 1001;
    position: relative;
}

#connect-wallet {
    flex: 1;
    padding: 12px;
    background-color: #3c315b;
    color: white;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
    height: 35px;
}

#connect-wallet:hover {
    background-color: #50597b;
}

#menu-button {
    flex: 1;
    padding: 12px;
    background-color: #3a3a4a;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
    height: 35px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

#menu-button span {
    display: block;
    width: 25px;
    height: 3px;
    background: #ffffff;
    position: absolute;
    transition: all 0.3s ease;
}

#menu-button span:nth-child(1) {
    top: 10px;
}

#menu-button span:nth-child(2) {
    top: 16px;
}

#menu-button span:nth-child(3) {
    top: 22px;
}

#menu-button.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 16px;
}

#menu-button.active span:nth-child(2) {
    opacity: 0; 
}

#menu-button.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 16px;
}

#menu-button:hover {
    background-color: #444d50;
}

/* ========================================================================== */
/* Menu Dropdown */
/* ========================================================================== */
.menu-dropdown {
    display: none;
    position: absolute;
    top: 105px;
    right: 15px;
    width: 160px;
    background: #3a3a4a;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    transform: translateY(-10px); 
    opacity: 0; 
}

.menu-dropdown.active {
    display: block;
    animation: slideIn 0.3s ease-out forwards;
}

.menu-dropdown.closing {
    animation: slideOut 0.3s ease-in forwards; 
}

.menu-dropdown button, .menu-dropdown a {
    display: flex;
    align-items: center;
    padding: 10px;
    color: #ffffff;
    text-decoration: none;
    border-bottom: 1px solid #4a436b;
    background: none;
    border: none;
    width: 100%;
    text-align: right;
    cursor: pointer;
    font-size: 11px;
}

.menu-dropdown button:hover, .menu-dropdown a:hover {
    background: #ab9ff2;
    color: #ffffff;
}

.menu-dropdown button:last-child, .menu-dropdown a:last-child {
    border-bottom: none;
}

.menu-dropdown img {
    width: 25px;
    height: auto;
    margin-right: 6px;
    order: -1;
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateY(-10px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

/* ========================================================================== */
/* Cryptocurrency Selection */
/* ========================================================================== */
.radio-dropdown {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 1px;
}

.radio-dropdown input[type="radio"] {
    display: none;
}

.radio-dropdown label {
    display: flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 8px;
    background-color: #3a3a4a;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    border: 1px solid #3a3a4a;
    color: white;
}

.radio-dropdown label:hover {
    background-color: #444d50;
}

.radio-dropdown input[type="radio"]:checked + label {
    background-color: #2ec08b;
    border-color: #2ec08b;
    color: white;
}

.icon {
    width: 25px;
    height: auto;
    margin-right: 5px;
    vertical-align: middle;
}

/* ========================================================================== */
/* Input Fields Container */
/* ========================================================================== */
.amount-container {
    width: 100%;
    background: #1a1a2e;
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: center;
}

.amount-wrapper {
    width: 100%;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.currency-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.currency-label {
    width: 60px;
    font-size: 14px;
    font-weight: bold;
    text-align: left;
}

.euro-display {
    width: 180px;
    font-size: 18px;
    font-family: 'Courier New', Courier, monospace;
    text-align: right;
    padding: 5px;
    background: none; 
    border: none;
    color: #ffffff;
    cursor: default;
}

.crypto-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: 240px;
}

.crypto-display {
    font-size: 18px;
    font-family: 'Courier New', Courier, monospace;
    text-align: right;
    padding: 5px;
    background: none;
    border: none;
    color: #2ec08b;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.crypto-display.show {
    opacity: 1;
}

.crypto-label {
    color: #2ec08b;
    margin-right: 5px;
}

/* ========================================================================== */
/* Keypad */
/* ========================================================================== */
.keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    max-width: 100%;
    width: 100%;
}

.keypad button {
    padding: 13px 10px;
    font-size: 18px;
    background: #2a2a2a;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 0 5px rgba(171, 159, 242, 0.5),
              0 0 10px rgba(171, 159, 242, 0.3);
}

.keypad button:hover {
    background: #3a3a4a;
    box-shadow: 0 0 8px rgba(171, 159, 242, 0.8), 
              0 0 15px rgba(171, 159, 242, 0.5);
}

/* ========================================================================== */
/* Generate QR Button Container */
/* ========================================================================== */
.payment-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    width: 100%;
    margin-top: 5px;
}

#generate-qr {
    flex: 1;
    width: 135px; 
    height: 50px; 
    padding: 0; 
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: linear-gradient(145deg, #2ec08b, #25a671);
    color: white;
    transition: all 0.3s ease;
}

#generate-qr:hover {
    background: linear-gradient(145deg, #34d698, #2ec08b);
}

/* ========================================================================== */
/* Modals (QR, History) */
/* ========================================================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 320px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
}

#qr-modal {
    display: none;
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}

#qr-modal .modal-content {
    background-color: #2ec08b;
    text-align: center;
    display: grid;
    justify-content: center;
    position: inherit;
}

#qr-modal .modal-content h3 {
    margin-bottom: 15px;
    color: white;
}

.close-button {
    background-color: #ff7243;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 15px;
    font-size: 16px;
}

#qr-canvas {
    margin-top: 10px;
    width: 100%;
    height: auto;
}