/* Loading Spinners */
.spinner {
    border: 3px solid rgba(26, 109, 253, 0.1);
    border-top: 3px solid #1a6dfd3;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success Checkmark Animation */
.success-checkmark {
    width: 80px;
    height: 80px;
    margin: 0 auto;
}

.success-checkmark .check-icon {
    width: 80px;
    height: 80px;
    position: relative;
    border-radius: 50%;
    box-sizing: content-box;
    border: 4px solid #4BB543;
    animation: scaleIn 0.25s ease-in-out;
}

.success-checkmark .check-icon::before {
    top: 3px;
    left: -2px;
    width: 30px;
    transform-origin: 100% 50%;
    border-radius: 100px 0 0 100px;
}

.success-checkmark .check-icon::after {
    top: 0;
    left: 30px;
    width: 60px;
    transform-origin: 0 50%;
    border-radius: 0 100px 100px 0;
    animation: rotateCircle 4.25s ease-in;
}

.success-checkmark .check-icon::before,
.success-checkmark .check-icon::after {
    content: '';
    height: 100px;
    position: absolute;
    background: #202020;
    transform: rotate(-45deg);
}

.success-checkmark .check-icon .icon-line {
    height: 5px;
    background-color: #4BB543;
    display: block;
    border-radius: 2px;
    position: absolute;
    z-index: 10;
}

.success-checkmark .check-icon .icon-line.line-tip {
    top: 46px;
    left: 14px;
    width: 25px;
    transform: rotate(45deg);
    animation: checkTip 0.75s;
}

.success-checkmark .check-icon .icon-line.line-long {
    top: 38px;
    right: 8px;
    width: 47px;
    transform: rotate(-45deg);
    animation: checkLong 0.75s;
}

@keyframes scaleIn {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes checkTip {
    0% { width: 0; left: 1px; top: 19px; }
    54% { width: 0; left: 1px; top: 19px; }
    70% { width: 50px; left: -8px; top: 37px; }
    84% { width: 17px; left: 21px; top: 48px; }
    100% { width: 25px; left: 14px; top: 45px; }
}

@keyframes checkLong {
    0% { width: 0; right: 46px; top: 54px; }
    65% { width: 0; right: 46px; top: 54px; }
    84% { width: 55px; right: 0px; top: 35px; }
    100% { width: 47px; right: 8px; top: 38px; }
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    max-width: 400px;
}

.toast.success {
    background: linear-gradient(135deg, #4BB543, #3a9436);
    color: white;
}

.toast.error {
    background: linear-gradient(135deg, #ff4444, #cc0000);
    color: white;
}

.toast.info {
    background: linear-gradient(135deg, #1a6dfd3, #0f4cb8);
    color: white;
}

.toast.warning {
    background: linear-gradient(135deg, #ffa500, #ff8c00);
    color: white;
}

.toast svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.toast p {
    margin: 0;
    font-size: 14px;
    line-height: 1.4;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Button Loading State */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Input validation states */
.input-error {
    border-color: #ff4444 !important;
    animation: shake 0.3s;
}

.input-success {
    border-color: #4BB543 !important;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* Slide Up Animation */
@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.animate-slide-up {
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Bounce Animation */
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.bounce-animation {
    animation: bounce 0.6s ease-in-out;
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.pulse-animation {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Fade In */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

/* Scale In */
@keyframes scaleInAnim {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.scale-in {
    animation: scaleInAnim 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}