#crypto-calculator {
 max-width: 800px;
 margin: 20px auto;
 font-family: 'Rubik', sans-serif;
}
.calculator-container {
 background: #f9f9f9;
 padding: 30px;
 border-radius: 12px;
 box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}
.calculator-container h3 {
 text-align: center;
 margin-bottom: 30px;
 color: #333;
 font-size: 24px;
}
.exchange-columns {
 display: flex;
 align-items: center;
 gap: 20px;
 margin-bottom: 20px;
 position: relative;
 transition: all 0.4s ease;
}
.column {
 flex: 1;
 background: white;
 padding: 20px;
 border-radius: 10px;
 box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
 transition: transform 0.4s ease, box-shadow 0.4s ease;
 position: relative;
}
.column h4 {
 margin: 0 0 15px 0;
 font-size: 18px;
 font-weight: 600;
 text-align: center;
 color: #555;
 transition: color 0.3s ease;
}
.give-column h4 {
 color: #e74c3c;
}
.get-column h4 {
 color: #27ae60;
}
.calc-select,
.calc-input {
 width: 100%;
 padding: 15px;
 border: 2px solid #ddd;
 border-radius: 8px;
 font-size: 16px;
 margin-bottom: 10px;
 transition: border-color 0.3s ease, box-shadow 0.3s ease;
 box-sizing: border-box;
}
.calc-select:focus,
.calc-input:focus {
 outline: none;
 border-color: #3498db;
 box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}
.calc-input.result {
 background-color: #f8f9fa;
 font-weight: 600;
 color: #27ae60;
}
.calc-input.invalid {
 border-color: #e74c3c;
 background-color: #ffeaea;
}
.switch-column {
 display: flex;
 align-items: center;
 justify-content: center;
 flex-shrink: 0;
 z-index: 10;
}
#switch-direction {
 width: 60px !important;
 height: 60px;
 border: none;
 color: white;
 border-radius: 50%;
 font-size: 24px;
 cursor: pointer;
 box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
 transition: all 0.3s ease;
 display: flex;
 align-items: center;
 justify-content: center;
}
#switch-direction:hover {
 transform: scale(1.1);
 box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
 background: linear-gradient(135deg, #2980b9, #3498db);
}
#switch-direction:active {
 transform: scale(0.95);
}
.switch-column.switching #switch-direction {
 transform: rotate(180deg);
}
.exchange-columns.reversed .give-column {
 order: 3;
 transform: translateX(0);
}
.exchange-columns.reversed .get-column {
 order: 1;
 transform: translateX(0);
}
.exchange-columns.reversed .switch-column {
 order: 2;
}
.exchange-columns.switching .column {
 transform: scale(0.98);
 box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}
.min-amount-info {
 text-align: center;
 color: #666;
 margin-bottom: 20px;
 padding: 8px;
 background-color: #e8f4fd;
 border-left: 4px solid #3498db;
 border-radius: 4px;
}
.contact-form {
 background: white;
 padding: 25px;
 border-radius: 10px;
 margin-top: 20px;
 box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.contact-form h4 {
 margin-bottom: 20px;
 text-align: center;
 color: #333;
 font-size: 20px;
}
.form-row {
 display: flex;
 gap: 15px;
 margin-bottom: 20px;
}
.form-row .calc-input {
 margin-bottom: 0;
}
.calc-button {
 padding: 15px;
 background-color: #FFC31A !important;
 color: white !important;
 border: none;
 border-radius: 20px !important;
 font-size: 16px;
 font-weight: 600;
 cursor: pointer;
 transition: all 0.3s ease;
 width: auto !important;
 display: block !important;
 margin: 20px auto 0 auto !important;
 box-shadow: 0 4px 12px #e0cd96 !important;
}
.calc-button:hover {
 background: #F8C120!important;
 transform: translateY(-2px);
 box-shadow: 0 6px 20px rgba(39, 174, 96, 0.3);
}
.calc-button:disabled {
 background: #bdc3c7;
 cursor: not-allowed;
 transform: none;
 box-shadow: none;
}
.calc-button-submit {
 display: block !important;
 margin: 20px auto 0 auto !important;
 padding: 12px 30px !important;
 background: linear-gradient(135deg, #f1c40f, #f39c12) !important;
 color: #fff !important;
 border: none !important;
 border-radius: 8px !important;
 font-size: 16px !important;
 font-weight: 600 !important;
 cursor: pointer !important;
 transition: all 0.3s ease !important;
 width: auto !important;
}
.calc-button-submit:hover {
 background: linear-gradient(135deg, #f39c12, #f1c40f) !important;
 transform: translateY(-2px) !important;
 box-shadow: 0 6px 20px rgba(241, 196, 15, 0.3) !important;
}
.calc-button-submit:disabled {
 background: #f8e08e !important;
 cursor: not-allowed !important;
 transform: none !important;
 box-shadow: none !important;
}
.calc-message {
 padding: 15px;
 border-radius: 8px;
 margin-top: 15px;
 text-align: center;
 font-weight: 600;
}
.calc-message.success {
 background-color: #d4edda;
 color: #155724;
 border: 1px solid #c3e6cb;
}
.calc-message.error {
 background-color: #f8d7da;
 color: #721c24;
 border: 1px solid #f5c6cb;
}
@media (max-width: 768px) {
 .exchange-columns {
  flex-direction: column;
  gap: 15px;
 }
 .exchange-columns.reversed .give-column,
 .exchange-columns.reversed .get-column,
 .exchange-columns.reversed .switch-column {
  order: initial;
 }
 .exchange-columns.reversed {
  flex-direction: column-reverse;
 }
 .switch-column {
  order: 0 !important;
 }
 #switch-direction {
  transform: rotate(90deg);
 }
 .exchange-columns.reversed #switch-direction {
  transform: rotate(-90deg);
 }
 .form-row {
  flex-direction: column;
  gap: 10px;
 }
 .calculator-container {
  padding: 20px;
  margin: 10px;
 }
}